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5. Various methods for determining urinary choriogonadotropin evaluated for the early diagnosis of ectopic pregnancy. Buck RH, Norman RJ, Reddi K, Moodley J, Joubert SM. Clin Chem; 1986 May; 32(5):879-82. PubMed ID: 3516452 [Abstract] [Full Text] [Related]
13. Predictive value analysis of measurements of human chorionic gonadotropin, pregnancy specific beta 1-glycoprotein, placental lactogen, and cystine aminopeptidase for the diagnosis of ectopic pregnancy. Braunstein GD, Asch RH. Fertil Steril; 1983 Jan; 39(1):62-7. PubMed ID: 6217088 [Abstract] [Full Text] [Related]