共 57 条
[31]
KELEMEN G, 1958, ARCHIV OTOLARYNGOL, V68, P547
[33]
LAMB GA, 1968, JAMA-J AM MED ASSOC, V203, P1305
[34]
LANGER H, 1963, OBSTET GYNECOL, V21, P318
[38]
PRIDHAM T. J., 1958, CANADIAN JOUR COMP MED AND VET SCI, V22, P99
[39]
PRIDHAM T. J., 1961, CANADIAN JOUR PUBL HEALTH, V52, P389
[40]
REMINGTON JS, 1964, OBSTET GYNECOL, V24, P25