al-Sebai, M A The role of a single free beta-human chorionic gonadotrophin measurement in the diagnosis of early pregnancy failure and the prognosis of fetal viability. [electronic resource] - Human reproduction (Oxford, England) Apr 1996 - 881-8 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0268-1161 Standard No.: 10.1093/oxfordjournals.humrep.a019271 doi Subjects--Topical Terms: Abortion, Spontaneous--bloodAbortion, Threatened--bloodAdolescentAdultBiomarkersChorionic Gonadotropin, beta Subunit, Human--bloodFemaleFetal ViabilityHumansPregnancy--bloodPrognosisProspective Studies