共 8 条
[1]
BLAND PB, 1932, PRACTICAL OBSTET STU, P73
[2]
CRAGIN EB, 1916, OBSTETRICS, P132
[3]
DELEE JB, 1933, PRINCIPLES PRACTICE, P107
[4]
JELLETT H, 1929, MANUAL MIDWIFERY STU, P232
[5]
PINEY A, 1928, DIS BLOOD, P20
[6]
PINEY A, 1932, CLIN ATLAS BLOOD DIS
[7]
POLAK JO, 1922, MANUAL OBSTET, P85
[8]
WILLIAMS JW, 1930, OBSTETRICS, P408

