(Q41191302)
Statements
1 reference
Risk factor analysis of an epidemic of hepatitis A in a factory in Shanghai (English)
1 reference
Wang JY
1 reference
Hu SL
1 reference
Liu HY
1 reference
Hong YL
1 reference
Cao SZ
1 reference
Wu LF
1 reference
1 June 1990
1 reference
1 reference
19
1 reference
2
1 reference
435-438
1 reference
Identifiers
1 reference
1 reference