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- [2] Serum beta-hCG titers do not predict ruptured ectopic pregnancy [J]. INTERNATIONAL JOURNAL OF FERTILITY AND WOMENS MEDICINE, 2006, 51 (01): : 14 - 16
- [6] PERCENTAGE CHANGE IN BETA-HCG CONCENTRATION IN MATERNAL SERUM IN DISTURBED EARLY-PREGNANCY [J]. ZEITSCHRIFT FUR GEBURTSHILFE UND PERINATOLOGIE, 1989, 193 (02): : 72 - 76