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- [11] Comparative performance of aldolase and lactate dehydrogenase rapid diagnostic tests in Plasmodium vivax detectionMALARIA JOURNAL, 2014, 13Dzakah, Emmanuel E.论文数: 0 引用数: 0 h-index: 0机构: S China Univ Technol, Sch Biosci & Bioengn, Guangzhou 510006, Guangdong, Peoples R China Univ Cape Coast, Sch Biol Sci, Dept Mol Biol & Biotechnol, Cape Coast, Ghana Guangzhou Wondfo Biotech Co Ltd, Natl Engn Lab Rapid Diagnost Tests, Guangzhou 510663, Guangdong, Peoples R China S China Univ Technol, Sch Biosci & Bioengn, Guangzhou 510006, Guangdong, Peoples R ChinaKang, Keren论文数: 0 引用数: 0 h-index: 0机构: S China Univ Technol, Sch Biosci & Bioengn, Guangzhou 510006, Guangdong, Peoples R China Guangzhou Wondfo Biotech Co Ltd, Natl Engn Lab Rapid Diagnost Tests, Guangzhou 510663, Guangdong, Peoples R China S China Univ Technol, Sch Biosci & Bioengn, Guangzhou 510006, Guangdong, Peoples R ChinaNi, Chao论文数: 0 引用数: 0 h-index: 0机构: S China Univ Technol, Sch Biosci & Bioengn, Guangzhou 510006, Guangdong, Peoples R China S China Univ Technol, Sch Biosci & Bioengn, Guangzhou 510006, Guangdong, Peoples R ChinaTang, Shixing论文数: 0 引用数: 0 h-index: 0机构: Guangzhou Wondfo Biotech Co Ltd, Natl Engn Lab Rapid Diagnost Tests, Guangzhou 510663, Guangdong, Peoples R China S China Univ Technol, Sch Biosci & Bioengn, Guangzhou 510006, Guangdong, Peoples R ChinaWang, Jihua论文数: 0 引用数: 0 h-index: 0机构: Guangzhou Wondfo Biotech Co Ltd, Natl Engn Lab Rapid Diagnost Tests, Guangzhou 510663, Guangdong, Peoples R China S China Univ Technol, Sch Biosci & Bioengn, Guangzhou 510006, Guangdong, Peoples R ChinaWang, Jufang论文数: 0 引用数: 0 h-index: 0机构: S China Univ Technol, Sch Biosci & Bioengn, Guangzhou 510006, Guangdong, Peoples R China S China Univ Technol, Sch Biosci & Bioengn, Guangzhou 510006, Guangdong, Peoples R China
- [12] Performance of three multi-species rapid diagnostic tests for diagnosis of Plasmodium falciparum and Plasmodium vivax malaria in Oromia Regional State, EthiopiaMalaria Journal, 9Ruth A Ashton论文数: 0 引用数: 0 h-index: 0机构: Malaria Consortium - Ethiopia Office,Takele Kefyalew论文数: 0 引用数: 0 h-index: 0机构: Malaria Consortium - Ethiopia Office,Gezahegn Tesfaye论文数: 0 引用数: 0 h-index: 0机构: Malaria Consortium - Ethiopia Office,Helen Counihan论文数: 0 引用数: 0 h-index: 0机构: Malaria Consortium - Ethiopia Office,Damtew Yadeta论文数: 0 引用数: 0 h-index: 0机构: Malaria Consortium - Ethiopia Office,Bonnie Cundill论文数: 0 引用数: 0 h-index: 0机构: Malaria Consortium - Ethiopia Office,Richard Reithinger论文数: 0 引用数: 0 h-index: 0机构: Malaria Consortium - Ethiopia Office,Jan H Kolaczinski论文数: 0 引用数: 0 h-index: 0机构: Malaria Consortium - Ethiopia Office,
- [13] Performance of three multi-species rapid diagnostic tests for diagnosis of Plasmodium falciparum and Plasmodium vivax malaria in Oromia Regional State, EthiopiaMALARIA JOURNAL, 2010, 9Ashton, Ruth A.论文数: 0 引用数: 0 h-index: 0机构: Malaria Consortium Ethiopia Off, Addis Ababa, Ethiopia Malaria Consortium Africa Reg Off, Kampala, Uganda Malaria Consortium Ethiopia Off, Addis Ababa, EthiopiaKefyalew, Takele论文数: 0 引用数: 0 h-index: 0机构: Malaria Consortium Ethiopia Off, Addis Ababa, Ethiopia Malaria Consortium Ethiopia Off, Addis Ababa, EthiopiaTesfaye, Gezahegn论文数: 0 引用数: 0 h-index: 0机构: Malaria Consortium Ethiopia Off, Addis Ababa, Ethiopia Malaria Consortium Ethiopia Off, Addis Ababa, EthiopiaCounihan, Helen论文数: 0 引用数: 0 h-index: 0机构: Malaria Consortium Int, London EC2A 4LT, England Malaria Consortium Ethiopia Off, Addis Ababa, EthiopiaYadeta, Damtew论文数: 0 引用数: 0 h-index: 0机构: Oromia Reg Hlth Bur, Addis Ababa, Ethiopia Malaria Consortium Ethiopia Off, Addis Ababa, EthiopiaCundill, Bonnie论文数: 0 引用数: 0 h-index: 0机构: London Sch Hyg & Trop Med, London WC1, England Malaria Consortium Ethiopia Off, Addis Ababa, EthiopiaReithinger, Richard论文数: 0 引用数: 0 h-index: 0机构: US Agcy Int Dev, Addis Ababa, Ethiopia Malaria Consortium Ethiopia Off, Addis Ababa, EthiopiaKolaczinski, Jan H.论文数: 0 引用数: 0 h-index: 0机构: Malaria Consortium Africa Reg Off, Kampala, Uganda London Sch Hyg & Trop Med, London WC1, England Malaria Consortium Ethiopia Off, Addis Ababa, Ethiopia
- [14] Evaluation of the OptiMAL test for rapid diagnosis of Plasmodium vivax and Plasmodium falciparum malariaJOURNAL OF CLINICAL MICROBIOLOGY, 1998, 36 (01) : 203 - 206Palmer, CJ论文数: 0 引用数: 0 h-index: 0机构: Univ Miami, Sch Med, Ctr Dis Prevent, Miami, FL 33136 USALindo, JF论文数: 0 引用数: 0 h-index: 0机构: Univ Miami, Sch Med, Ctr Dis Prevent, Miami, FL 33136 USAKlaskala, WI论文数: 0 引用数: 0 h-index: 0机构: Univ Miami, Sch Med, Ctr Dis Prevent, Miami, FL 33136 USAQuesada, JA论文数: 0 引用数: 0 h-index: 0机构: Univ Miami, Sch Med, Ctr Dis Prevent, Miami, FL 33136 USAKaminsky, R论文数: 0 引用数: 0 h-index: 0机构: Univ Miami, Sch Med, Ctr Dis Prevent, Miami, FL 33136 USABaum, MK论文数: 0 引用数: 0 h-index: 0机构: Univ Miami, Sch Med, Ctr Dis Prevent, Miami, FL 33136 USAAger, AL论文数: 0 引用数: 0 h-index: 0机构: Univ Miami, Sch Med, Ctr Dis Prevent, Miami, FL 33136 USA
- [15] Combining Parasite Lactate Dehydrogenase-Based and Histidine-Rich Protein 2-Based Rapid Tests To Improve Specificity for Diagnosis of Malaria Due to Plasmodium knowlesi and Other Plasmodium Species in Sabah, MalaysiaJOURNAL OF CLINICAL MICROBIOLOGY, 2014, 52 (06) : 2053 - 2060Grigg, Matthew J.论文数: 0 引用数: 0 h-index: 0机构: Menzies Sch Hlth Res, Darwin, NT, Australia Charles Darwin Univ, Darwin, NT 0909, Australia Queen Elizabeth Hosp, Clin Res Ctr, Infect Dis Unit, Kota Kinabalu, Sabah, Malaysia Sabah Menzies Sch Hlth Res, Clin Res Unit, Infect Dis Soc, Kota Kinabalu, Sabah, Malaysia Menzies Sch Hlth Res, Darwin, NT, AustraliaWilliam, Timothy论文数: 0 引用数: 0 h-index: 0机构: Queen Elizabeth Hosp, Clin Res Ctr, Infect Dis Unit, Kota Kinabalu, Sabah, Malaysia Sabah Menzies Sch Hlth Res, Clin Res Unit, Infect Dis Soc, Kota Kinabalu, Sabah, Malaysia Sabah Dept Hlth, Kota Kinabalu, Sabah, Malaysia Menzies Sch Hlth Res, Darwin, NT, AustraliaBarber, Bridget E.论文数: 0 引用数: 0 h-index: 0机构: Menzies Sch Hlth Res, Darwin, NT, Australia Charles Darwin Univ, Darwin, NT 0909, Australia Queen Elizabeth Hosp, Clin Res Ctr, Infect Dis Unit, Kota Kinabalu, Sabah, Malaysia Sabah Menzies Sch Hlth Res, Clin Res Unit, Infect Dis Soc, Kota Kinabalu, Sabah, Malaysia Menzies Sch Hlth Res, Darwin, NT, AustraliaParameswaran, Uma论文数: 0 引用数: 0 h-index: 0机构: Menzies Sch Hlth Res, Darwin, NT, Australia Charles Darwin Univ, Darwin, NT 0909, Australia Queen Elizabeth Hosp, Clin Res Ctr, Infect Dis Unit, Kota Kinabalu, Sabah, Malaysia Sabah Menzies Sch Hlth Res, Clin Res Unit, Infect Dis Soc, Kota Kinabalu, Sabah, Malaysia Menzies Sch Hlth Res, Darwin, NT, AustraliaBird, Elspeth论文数: 0 引用数: 0 h-index: 0机构: Sabah Menzies Sch Hlth Res, Clin Res Unit, Infect Dis Soc, Kota Kinabalu, Sabah, Malaysia Menzies Sch Hlth Res, Darwin, NT, AustraliaPiera, Kim论文数: 0 引用数: 0 h-index: 0机构: Menzies Sch Hlth Res, Darwin, NT, Australia Charles Darwin Univ, Darwin, NT 0909, Australia Menzies Sch Hlth Res, Darwin, NT, AustraliaAziz, Ammar论文数: 0 引用数: 0 h-index: 0机构: Menzies Sch Hlth Res, Darwin, NT, Australia Charles Darwin Univ, Darwin, NT 0909, Australia Menzies Sch Hlth Res, Darwin, NT, AustraliaDhanaraj, Prabakaran论文数: 0 引用数: 0 h-index: 0机构: Sabah Dept Hlth, Kota Kinabalu, Sabah, Malaysia Kudat Dist Hosp, Kota Kinabalu, Sabah, Malaysia Menzies Sch Hlth Res, Darwin, NT, AustraliaYeo, Tsin W.论文数: 0 引用数: 0 h-index: 0机构: Menzies Sch Hlth Res, Darwin, NT, Australia Charles Darwin Univ, Darwin, NT 0909, Australia Nanyang Technol Univ, Lee Kong Chian Sch Med, Singapore 639798, Singapore Menzies Sch Hlth Res, Darwin, NT, AustraliaAnstey, Nicholas M.论文数: 0 引用数: 0 h-index: 0机构: Menzies Sch Hlth Res, Darwin, NT, Australia Charles Darwin Univ, Darwin, NT 0909, Australia Royal Darwin Hosp, Darwin, NT, Australia Menzies Sch Hlth Res, Darwin, NT, Australia
- [16] Evaluation of four rapid diagnostic tests for the diagnosis of Plasmodium vivax in KoreaTROPICAL MEDICINE & INTERNATIONAL HEALTH, 2011, 16 (11) : 1427 - 1431Kim, Kyung Hee论文数: 0 引用数: 0 h-index: 0机构: Gachon Univ, Dept Lab Med, Inchon, South Korea Korea Univ, Coll Med, Dept Lab Med, Guro Hosp, Seoul 152703, South KoreaJang, Jin Woo论文数: 0 引用数: 0 h-index: 0机构: Korea Univ, Coll Med, Dept Lab Med, Guro Hosp, Seoul 152703, South KoreaWoo, Mi Kyung论文数: 0 引用数: 0 h-index: 0机构: Korea Univ, Coll Med, Dept Lab Med, Guro Hosp, Seoul 152703, South KoreaOh, Jun Seo论文数: 0 引用数: 0 h-index: 0机构: Korea Univ, Cellular Oncol Lab, Seoul 152703, South Korea Korea Univ, Coll Med, Dept Lab Med, Guro Hosp, Seoul 152703, South KoreaHan, Eun Taek论文数: 0 引用数: 0 h-index: 0机构: Kangwon Natl Univ, Dept Parasitol, Coll Med, Chunchon, South Korea Korea Univ, Coll Med, Dept Lab Med, Guro Hosp, Seoul 152703, South KoreaLee, Won Ja论文数: 0 引用数: 0 h-index: 0机构: Korea Ctr Dis Control & Prevent, Dept Malaria & Parasite Dis, Seoul, South Korea Korea Univ, Coll Med, Dept Lab Med, Guro Hosp, Seoul 152703, South KoreaAn, Seong Soo A.论文数: 0 引用数: 0 h-index: 0机构: Kyungwon Univ, Coll Bionanotechnol, Kyeonggi Do, South Korea Korea Univ, Coll Med, Dept Lab Med, Guro Hosp, Seoul 152703, South KoreaLim, Chae Seung论文数: 0 引用数: 0 h-index: 0机构: Korea Univ, Coll Med, Dept Lab Med, Guro Hosp, Seoul 152703, South Korea Korea Univ, Coll Med, Dept Lab Med, Guro Hosp, Seoul 152703, South Korea
- [17] Malaria rapid diagnostic tests: Plasmodium falciparum infections with high parasite densities may generate false positive Plasmodium vivax pLDH linesMalaria Journal, 9Jessica Maltha论文数: 0 引用数: 0 h-index: 0机构: Faculty of Health,Department of Clinical SciencesPhilippe Gillet论文数: 0 引用数: 0 h-index: 0机构: Faculty of Health,Department of Clinical SciencesLieselotte Cnops论文数: 0 引用数: 0 h-index: 0机构: Faculty of Health,Department of Clinical SciencesJef van den Ende论文数: 0 引用数: 0 h-index: 0机构: Faculty of Health,Department of Clinical SciencesMarjan van Esbroeck论文数: 0 引用数: 0 h-index: 0机构: Faculty of Health,Department of Clinical SciencesJan Jacobs论文数: 0 引用数: 0 h-index: 0机构: Faculty of Health,Department of Clinical Sciences
- [18] Malaria rapid diagnostic tests: Plasmodium falciparum infections with high parasite densities may generate false positive Plasmodium vivax pLDH linesMALARIA JOURNAL, 2010, 9Maltha, Jessica论文数: 0 引用数: 0 h-index: 0机构: Fac Hlth Med & Life Sci, Maastricht, Netherlands Fac Hlth Med & Life Sci, Maastricht, NetherlandsGillet, Philippe论文数: 0 引用数: 0 h-index: 0机构: Inst Trop Med, Unit Trop Lab Med, Dept Clin Sci, B-2000 Antwerp, Belgium Fac Hlth Med & Life Sci, Maastricht, NetherlandsCnops, Lieselotte论文数: 0 引用数: 0 h-index: 0机构: Inst Trop Med, Unit Trop Lab Med, Dept Clin Sci, B-2000 Antwerp, Belgium Fac Hlth Med & Life Sci, Maastricht, Netherlandsvan den Ende, Jef论文数: 0 引用数: 0 h-index: 0机构: Inst Trop Med, Unit Trop Lab Med, Dept Clin Sci, B-2000 Antwerp, Belgium Fac Hlth Med & Life Sci, Maastricht, Netherlandsvan Esbroeck, Marjan论文数: 0 引用数: 0 h-index: 0机构: Inst Trop Med, Unit Trop Lab Med, Dept Clin Sci, B-2000 Antwerp, Belgium Fac Hlth Med & Life Sci, Maastricht, NetherlandsJacobs, Jan论文数: 0 引用数: 0 h-index: 0机构: Fac Hlth Med & Life Sci, Maastricht, Netherlands Inst Trop Med, Unit Trop Lab Med, Dept Clin Sci, B-2000 Antwerp, Belgium Fac Hlth Med & Life Sci, Maastricht, Netherlands
- [19] Comparison of three rapid diagnostic tests for Plasmodium falciparum diagnosis in GhanaMALARIA JOURNAL, 2024, 23 (01)Kayode, Tolulope Adeyemi论文数: 0 引用数: 0 h-index: 0机构: Univ Notre Dame, Eck Inst Global Hlth, Notre Dame, IN 46556 USA Univ Notre Dame, Dept Biol Sci, Notre Dame, IN 46556 USA Univ Notre Dame, Eck Inst Global Hlth, Notre Dame, IN 46556 USAAddo, Agyapong Kofi论文数: 0 引用数: 0 h-index: 0机构: Kwame Nkrumah Univ Sci & Technol, Dept Theoret & Appl Biol, Kumasi, Ghana Univ Notre Dame, Eck Inst Global Hlth, Notre Dame, IN 46556 USAAddison, Thomas Kwame论文数: 0 引用数: 0 h-index: 0机构: Kwame Nkrumah Univ Sci & Technol, Dept Theoret & Appl Biol, Kumasi, Ghana Univ Notre Dame, Eck Inst Global Hlth, Notre Dame, IN 46556 USATweneboah, Austine论文数: 0 引用数: 0 h-index: 0机构: Kwame Nkrumah Univ Sci & Technol, Dept Theoret & Appl Biol, Kumasi, Ghana Univ Notre Dame, Eck Inst Global Hlth, Notre Dame, IN 46556 USA论文数: 引用数: h-index:机构:Abbas, Dawood Ackom论文数: 0 引用数: 0 h-index: 0机构: Kwame Nkrumah Univ Sci & Technol, Dept Theoret & Appl Biol, Kumasi, Ghana Univ Notre Dame, Eck Inst Global Hlth, Notre Dame, IN 46556 USASeth, Ayesha论文数: 0 引用数: 0 h-index: 0机构: Ohio State Univ, Dept Chem & Biochem, Columbus, OH USA Univ Notre Dame, Eck Inst Global Hlth, Notre Dame, IN 46556 USABadu-Tawiah, Abraham K.论文数: 0 引用数: 0 h-index: 0机构: Ohio State Univ, Dept Chem & Biochem, Columbus, OH USA Univ Notre Dame, Eck Inst Global Hlth, Notre Dame, IN 46556 USABadu, Kingsley论文数: 0 引用数: 0 h-index: 0机构: Kwame Nkrumah Univ Sci & Technol, Dept Theoret & Appl Biol, Kumasi, Ghana Univ Notre Dame, Eck Inst Global Hlth, Notre Dame, IN 46556 USAKoepfli, Cristian论文数: 0 引用数: 0 h-index: 0机构: Univ Notre Dame, Eck Inst Global Hlth, Notre Dame, IN 46556 USA Univ Notre Dame, Dept Biol Sci, Notre Dame, IN 46556 USA Univ Notre Dame, Eck Inst Global Hlth, Notre Dame, IN 46556 USA
- [20] Implementation and continued validation of the malaria Plasmodium falciparum lactate dehydrogenase-based colorimetric assay for use in antiplasmodial drug screeningAnalytical Biochemistry, 2022, 648Fokou, Patrick Valere Tsouh论文数: 0 引用数: 0 h-index: 0机构: Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon Department of Biochemistry, Faculty of Science, University of Bamenda, PO Box 39, Bamenda, Bambili, Cameroon Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, CameroonTali, Brice Mariscal Tchatat论文数: 0 引用数: 0 h-index: 0机构: Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, CameroonDize, Darline论文数: 0 引用数: 0 h-index: 0机构: Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, CameroonMbouna, Cedric Derick Jiatsa论文数: 0 引用数: 0 h-index: 0机构: Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, CameroonNgansop, Cyrille Armel Njampa论文数: 0 引用数: 0 h-index: 0机构: Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, CameroonKeumoe, Rodrigue论文数: 0 引用数: 0 h-index: 0机构: Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, CameroonTchokouaha, Lauve Rachel Yamthe论文数: 0 引用数: 0 h-index: 0机构: Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon Institute for Medical Research and Medicinal Plants Studies (IMPM), Yaoundé, P.O. Box 6163, Yaoundé, Cameroon Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, CameroonTchouankeu, Jean Claude论文数: 0 引用数: 0 h-index: 0机构: Laboratory of Natural Products and Organic Synthesis, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, CameroonEscudie, Fanny论文数: 0 引用数: 0 h-index: 0机构: Medicines for Malaria Venture, PO Box 1826, 20, Route de Pré-Bois, Geneva 15,1215, Switzerland Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, CameroonDuffy, James论文数: 0 引用数: 0 h-index: 0机构: Medicines for Malaria Venture, PO Box 1826, 20, Route de Pré-Bois, Geneva 15,1215, Switzerland Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, CameroonBoyom, Fabrice Fekam论文数: 0 引用数: 0 h-index: 0机构: Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon Antimicrobial and Biocontrol Agents Unit, Laboratory for Phytobiochemistry and Medicinal Plants Studies, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon