共 16 条
[3]
EPSTEIN MF, 1976, ADV MED PERINATOLOGY, P117
[4]
FARRELL P M, 1978, Clinics in Perinatology, V5, P197
[9]
KERR GR, 1975, GROWTH, V39, P67
[10]
KING RJ, 1974, FED PROC, V33, P2238