共 22 条
[1]
ALLISON VD, 1942, P ROY SOC MED, V35, P627
[3]
CAROLI J, 1958, Sem Hop, V34, P472
[7]
Fry RM, 1938, LANCET, V1, P199
[9]
HOOD M, 1961, AM J OBSTET GYNECOL, V82, P809