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Obstetrics and Gynecology|February 1, 1994
A new method using vaginal ultrasound and transfundal pressure to evaluate the asymptomatic incompetent cervixE R Guzman, J C Rosenberg, C Houlihan, et al.
Obstetrics and Gynecology|August 1, 1991
A randomized comparison of umbilical vein and intravenous oxytocin during the puerperiumK B Porter, W F O'Brien, M K Collins, et al.
American Journal of Obstetrics and Gynecology|April 1, 1978
Positive correlation of optical density at 650 nm. with lecithin/sphingomyelin ratios in amniotic fluidA J Sbarra, R J Selvaraj, C L Cetrulo, et al.
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