共 17 条
[1]
ADAMS JQ, 1960, AM J OBSTET GYNECOL, V80, P253
[2]
BEISCHER NA, 1967, MATERNAL DEATHS COMM
[3]
EASTMAN NJ, 1956, WILLIAMS OBSTETRICS, P733
[4]
EDGER DE, 1961, OBSTET GYNECOL, V18, P653
[5]
GORDON H, 1974, OBSTETRIC THERAPEUTI, P292
[6]
GREENHILL JP, 1965, OBSTETRICS, P529
[7]
HAMLIN RHJ, 1952, LANCET, V262, P64
[8]
JOHNSTONE RW, 1968, TXB MIDWIFERY
[9]
KYANK H, 1964, GERMAN MED MONTHLY, V9, P108
[10]
Lopez-Llera M, 1967, J Obstet Gynaecol Br Commonw, V74, P379