共 14 条
[1]
BROWN WR, 1965, PEDIATRICS, V36, P745
[3]
FOTHERGILL R, 1961, PRACTITIONER, V186, P559
[4]
INGRAM MD, 1950, RADIOLOGY, V50, P503
[5]
KEATING JM, 1885, ARCH PEDIAT, V61, P532
[7]
KOSMAK GW, 1920, AM J OBSTET GYNEC, V1, P793
[9]
PORAPAKKHAM S, 1962, AM J OBSTET GYNEC, V84, P941
[10]
Sjovall A, 1936, ACTA OBSTET GYNECOL, V15, P443