Transvaginal ultrasound scanning in early pregnancy and correlation with human chorionic gonadotropin levels
Dr. Salim Daya, Sheila Woods, Susan Ward, Ray Lappalainen, Chris CacoVolume:
19
Année:
1991
Langue:
english
Pages:
4
DOI:
10.1002/jcu.1870190303
Fichier:
PDF, 330 KB
english, 1991