共 13 条
[4]
ELSHAWI S, 1967, AM J OBSTET GYNECOL, V98, P900
[5]
THE GRAPHIC ANALYSIS OF LABOR
[J].
AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY,
1954, 68 (06)
:1568-1575
[6]
FRIEDMAN EA, 1967, LABOR CLINICAL EVALU
[7]
HON EH, 1973, OBSTET GYNECOL, V42, P368
[8]
JILEK J, 1972, MED RES ENG SEP
[9]
LEDGER WJ, 1969, OBSTET GYNECOL, V34, P174