(Q40299272)
Statements
1 reference
Decline in incidence of hepatitis A infection in Milan. A serologic study (English)
Zanetti AR
1 reference
Ferroni P
1 reference
Bastia A
1 reference
1 January 1979
1 reference
1 reference
57
1 reference
6
1 reference
816-820
1 reference
Identifiers
1 reference