共 19 条
[2]
CABROL S, 1981, Journal of Adolescent Health Care, V1, P185, DOI 10.1016/S0197-0070(81)80031-9
[3]
CAMPBELL S, 1982, LANCET, V1, P425
[4]
COLLE M, 1984, PEDIATR RES, V18, P113
[8]
HALLER JO, 1983, SEMIN ULTRASOUND CT, V4, P206