(Q42638869)
Statements
1 reference
Experience of European collaboration in influenza surveillance in the winter of 1993-1994. (English)
1 reference
Fleming DM
1 reference
Cohen JM
1 reference
1 June 1996
1 reference
1 reference
18
1 reference
2
1 reference
133-142
1 reference
Identifiers
1 reference
1 reference