共 13 条
[1]
Davis R H, 1980, J R Coll Gen Pract, V30, P333
[3]
HAYS RB, 1990, IN PRESS MED ED
[4]
KASTNER LS, 1985, AM J DIS CHILD, V139, P889
[10]
STILLMAN PL, 1977, PEDIATRICS, V60, P165