共 10 条
[1]
Davis J P, 1984, Wis Med J, V83, P11
[3]
KONOWITZ PM, 1984, PUBLIC HEALTH REP, V99, P31
[8]
SORHAGE FE, 1984, EPI GRAM, V6, P2
[9]
THACKER SB, 1983, JAMA-J AM MED ASSOC, V249, P1181