Transperineal sonography in the first trimester of pregnancy.
Buckshee
K
K
Department of Obstetrics and Gynecology, All India Institute of Medical Sciences, New Delhi. kbuckshee@yahoo.com
Deka
D
D
Kaur
P
P
D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D016216:Ultrasonography, Prenatal / Q000379:methods*