共 21 条
[16]
MATTHEW DJ, 1977, LANCET, V1, P321
[17]
SAARINEN UM, 1979, LANCET, V2, P163
[18]
SAULS HS, 1979, PEDIATRICS, V64, P523
[20]
WARNER JA, 1992, EUR RESP J S15, V5, P431