TY  - GEN
AU  - Pyhälä,R
AU  - Aho,K
TI  - Seroepidemiology of H1N1 influenza: the range of the affected population is widening
SN  - 0302-2137
PY  - 1983///0415
KW  - Adolescent
KW  - Adult
KW  - Antibodies, Viral
KW  - analysis
KW  - Child
KW  - Child, Preschool
KW  - Epidemiologic Methods
KW  - Female
KW  - Finland
KW  - Humans
KW  - Influenza A Virus, H1N1 Subtype
KW  - Influenza A virus
KW  - immunology
KW  - Influenza, Human
KW  - epidemiology
KW  - Male
KW  - Pregnancy
N1  - Publication Type: Journal Article
ER  -