TY  - GEN
AU  - Aho,K
AU  - Pyhälä,R
TI  - [Epidemiology of influenza]
SN  - 0012-7183
PY  - 1975///1021
KW  - Finland
KW  - Humans
KW  - Influenza, Human
KW  - epidemiology
KW  - Orthomyxoviridae
KW  - classification
N1  - Publication Type: Journal Article
ER  -