共 39 条
[3]
BARR ML, 1955, MODERN TRENDS OBSTET, P116
[4]
BISHOP PMF, 1956, LANCET, V2, P843
[5]
BURNS R. K., 1956, ARCH ANAT MICROSC ET MORPHOL EXPTL, V45, P173
[7]
DAVIDSON W M, 1959, Postgrad Med J, V35, P494
[10]
DAVIDSON WM, 1958, S NUCLEAR SEX, P93