共 67 条
[2]
*AM COLL OBST GYN, 1995, GUID DIAGN IM PREGN
[3]
*ARSAC, 1993, NOT GUID ADM RAD SUB
[4]
ASELTON P, 1985, OBSTET GYNECOL, V65, P451
[7]
Brent R L, 1983, Clin Obstet Gynecol, V26, P484, DOI 10.1097/00003081-198306000-00030
[8]
BRENT RL, 2000, MED DISORDERS PREGNA, P586
[9]
BRENT RL, 1972, CURRENT PROBLEMS RAD