Rizvi, RKhan, A AKhan, M1978-04-012009-05-291978-04-012009-05-291978-04-01Rizvi R, Khan AA, Khan M. The role of oestrogen test in threatened abortion. Indian Journal of Pathology & Microbiology. 1978 Apr; 21(2): 165-70http://imsear.searo.who.int/handle/123456789/74716engAbortion, Threatened --diagnosisEstrogens --diagnostic useFemaleHumansPregnancyPrognosisVaginal SmearsThe role of oestrogen test in threatened abortion.Journal Article