共 24 条
[2]
EASTMAN NJ, 1955, OBSTET GYNECOL SURV, V10, P209
[3]
FARRELLY PA, 1961, J OBSTET GYN BR COMM, V68, P961
[6]
Harrison FF, 1939, ARCH PATHOL, V27, P742
[8]
HURLOCKER JK, 1962, OBSTET GYNECOL, V19, P101
[9]
JORDAN W M, 1963, Br Med J, V2, P224