共 14 条
[1]
ABRAMOVICH D R, 1969, Journal of Obstetrics and Gynaecology of the British Commonwealth, V76, P610
[2]
ALDEN ER, 1972, PEDIATRICS, V50, P40
[4]
BAUER CR, 1974, PEDIATRICS, V53, P7
[9]
Liggins GC, 1974, MODERN PERINATAL MED, P415