Discriminatory hCG zone: Its use in the sonographic evaluation for ectopic pregnancy. Obstet Gynecol 1981;58:156-61
Note
Kadar, N, DeVore, G, Romero, R. (2003). Discriminatory hCG zone: Its use in the sonographic evaluation for ectopic pregnancy. Obstet Gynecol 1981;58:156-61
. Obstetrics and Gynecology, 102(4), 672. 10.1016/S0029-7844(03)00060-7
Kadar, N, DeVore, G, Romero, R. (2003). Discriminatory hCG zone: Its use in the sonographic evaluation for ectopic pregnancy. Obstet Gynecol 1981;58:156-61
. Obstetrics and Gynecology, 102(4), 672. 10.1016/S0029-7844(03)00060-7