共 30 条
[13]
GROUT JP, 1977, SURG GYNECOL OBSTET, V145, P573
[14]
HAMILTON RF, 1971, ARCH SURG-CHICAGO, V102, P348
[15]
HEYMAN M B, 1984, Pediatric Research, V18, p199A, DOI 10.1203/00006450-198404001-00636
[18]
INNIS SM, 1984, UNPUB AM J OBSTET GY