共 14 条
[3]
COHEN JY, 1982, ANN RADIOL, V25, P34
[4]
ERAKLIS AJ, 1967, PEDIATRICS, V39, P421
[5]
FORT AT, 1970, OBSTET GYNECOL, V35, P912
[7]
GRESHAM EL, 1975, PEDIATR CLIN N AM, V22, P317
[9]
HENDERSON JL, 1941, J OBSTET GYN BR COMM, V48, P377
[10]
MONSON DAVID O., 1967, J PEDIAT SURG, V2, P464, DOI 10.1016/S0022-3468(67)80090-3