共 6 条
[1]
Barnes F, 1882, Br Med J, V1, P377
[2]
BECK AC, 1955, OBSTETRICAL PRACTICE
[3]
BROWNE FJ, 1950, POSTGRADUATE OBSTETR
[4]
HOLLAND E, 1955, BRITISH OBSTETRICAL
[5]
HUFFMAN JW, 1962, TEXTBOOK GYNECOLOGY
[6]
MAYES BT, 1950, TEXTBOOK OBSTETRICS, P682