共 16 条
[3]
Cabot A T, 1896, Ann Surg, V24, P265, DOI 10.1097/00000658-189607000-00036
[5]
EATON AC, 1983, LANCET, V2, P1336
[6]
FREEDMAN RR, 1990, OBSTET GYNECOL, V76, P573