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- [4] EFFECT OF AGRICULTURAL SPRAYING ON ANOPHELES ALBIMANUS DENSITIES IN A COASTAL AREA OF EL-SALVADOR MOSQUITO NEWS, 1973, 33 (03): : 420 - 423
- [7] EL-SALVADOR - SOME SMALL GOLD-MINES E&MJ-ENGINEERING AND MINING JOURNAL, 1977, 178 (11): : 198 - 198
- [8] PATTERNS OF PLASMODIUM-VIVAX RECURRENCES IN A HIGH-INCIDENCE COASTAL AREA OF EL-SALVADOR, CA AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE, 1975, 24 (04): : 581 - 585
- [10] SEROEPIDEMIOLOGICAL STUDIES OF MALARIA IN PREGNANT-WOMEN AND NEWBORNS FROM COASTAL EL-SALVADOR AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE, 1980, 29 (02): : 151 - 157