共 15 条
[2]
BURACK WR, 1960, AM J MED, V4, P510
[3]
*CTR DIS CONTR, 1985, HHS 858249 PUBL
[4]
*CTR DIS CONTR, 1983, HHS 838320 PUBL
[6]
GONNELLA J, 1966, ARCH INTERN MED, V117, P64
[9]
MANOFF SB, 1987, J ADOLESCENT HEALTH, V8, P307