共 19 条
[2]
BARRON SL, 1966, BRIT J PREV SOC MED, V20, P127
[3]
BLANC B, 1980, REV FR GYNECOL, V75, P281
[4]
BOUTALEB Y, 1981, J GYNECOL OBST BIO R, V6, P68
[5]
BROOKE OG, 1981, J HUM NUTR, V53, P415
[6]
CHALMERS I, 1979, LANCET, V1, P639
[7]
DOORNBOS JPR, 1985, PERINATAL MORTALITY
[8]
HILL RAC, 1983, BRIT J OBSTET GYNAEC, V90, P718
[9]
Hytten F.E., 1971, PHYSL HUMAN PREGNANC, V2nd ed.
[10]
KLOOSTERMAN GJ, 1970, INT J GYNECOL OBSTET, V8, P895, DOI DOI 10.1002/J.1879-3479.1970.TB00313.X