共 5 条
[1]
GAST MJ, 1983, OBSTET GYNECOL, V62, pS29
[2]
GROSFELD JL, 1974, PEDIATRICS, V54, P791
[3]
HOWARD TE, 1981, AM J OBSTET GYNECOL, V141, P99
[4]
MONFARED AH, 1979, CAN MED ASSOC J, V120, P562