共 25 条
- [2] CHILDS B, 1954, LANCET, V1, P642
- [3] COLLIER JS, 1932, LANCET, V2, P1129
- [4] CROTHERS B, 1959, NATURAL HISTORY CERE
- [5] DURKIN MV, 1974, LANCET, V2, P1389
- [6] Eastman NJ, 1966, WILLIAMS OBSTET, V13, P1010
- [7] FORD FR, 1926, MEDICINE, V5, P121
- [8] FRIEDMAN EA, 1956, OBSTET GYNECOL, V8, P691
- [9] PRIMIGRAVID LABOR - A GRAPHICOSTATISTICAL ANALYSIS [J]. OBSTETRICS AND GYNECOLOGY, 1955, 6 (06) : 567 - 589
- [10] FULDNER V, 1957, AM J OBST G, V74, P159