共 38 条
[1]
A STUDY OF ILLNESS IN A GROUP OF CLEVELAND FAMILIES .8. INTRODUCTIONS AND SECONDARY ATTACK RATES AS INDICES OF EXPOSURE TO COMMON RESPIRATORY DISEASES IN THE COMMUNITY
[J].
AMERICAN JOURNAL OF HYGIENE,
1953, 58 (02)
:179-182
[4]
Centers for Disease Control and Prevention (CDC), 2000, MMWR Morb Mortal Wkly Rep, V49, P619
[5]
Centers for Disease Control and Prevention (CDC), 2003, MMWR Recomm Rep, V52, P1
[6]
Centers for Disease Control and Prevention (CDC), 2002, MMWR Morb Mortal Wkly Rep, V51, P1
[7]
Centers for Disease Control and Prevention (CDC), 2001, MMWR Morb Mortal Wkly Rep, V50, P466
[8]
Centers for Disease Control (CDC), 1986, MMWR Morb Mortal Wkly Rep, V35, P317