APA

Srivastava Ritu, University of Delhi. Faculty of Medical Sciences. Department of Obstetrics and Gynaecology, Dr. Renuka Sinha Gu & University of Delhi. Faculty of Medical Sciences. Department of Obstetrics and Gynaecology. (2001). Prospective study to predict preterm delivery by measurement of second trimester maternal plasma corticotrophin releasing hormone, alpha fetoprotein concentration and ultrasonographic examination of uterine cervix. : .

Chicago

Srivastava Ritu, University of Delhi. Faculty of Medical Sciences. Department of Obstetrics and Gynaecology, Dr. Renuka Sinha Gu and University of Delhi. Faculty of Medical Sciences. Department of Obstetrics and Gynaecology. 2001. Prospective study to predict preterm delivery by measurement of second trimester maternal plasma corticotrophin releasing hormone, alpha fetoprotein concentration and ultrasonographic examination of uterine cervix. : .

Harvard

Srivastava Ritu, University of Delhi. Faculty of Medical Sciences. Department of Obstetrics and Gynaecology, Dr. Renuka Sinha Gu and University of Delhi. Faculty of Medical Sciences. Department of Obstetrics and Gynaecology. (2001). Prospective study to predict preterm delivery by measurement of second trimester maternal plasma corticotrophin releasing hormone, alpha fetoprotein concentration and ultrasonographic examination of uterine cervix. : .

MLA

Srivastava Ritu, University of Delhi. Faculty of Medical Sciences. Department of Obstetrics and Gynaecology, Dr. Renuka Sinha Gu and University of Delhi. Faculty of Medical Sciences. Department of Obstetrics and Gynaecology. Prospective study to predict preterm delivery by measurement of second trimester maternal plasma corticotrophin releasing hormone, alpha fetoprotein concentration and ultrasonographic examination of uterine cervix. : . 2001.