共 18 条
[1]
ADEMOWORE AS, 1972, OBSTET GYNECOL, V39, P460
[3]
Eastman N J, 1968, Obstet Gynecol Surv, V23, P1003, DOI 10.1097/00006254-196811000-00001
[4]
HABICHT JP, 1973, NUTR REP INT, V7, P533
[5]
HYTTEN FE, 1971, PHYSL HUMAN PREGNANC, P265