TY - GEN AU - Masurel,N AU - Anker,W J TI - [Influenza A during the Winter season 1977-78 caused by the "old" H3N2-virus and the "new" H1N1-virus] SN - 0028-2162 PY - 1978///0508 KW - Humans KW - Influenza A Virus, H1N1 Subtype KW - Influenza A Virus, H3N2 Subtype KW - Influenza A virus KW - Influenza, Human KW - epidemiology KW - Netherlands N1 - Publication Type: Journal Article ER -