TY - GEN AU - Sarateanu,D E AU - Straub,M AU - Ehrengut,W TI - [Seroimmunity against influenza (Hamburg-München 1976/77)] SN - 0012-0472 PY - 1978///0612 KW - Germany, West KW - Hemagglutination Inhibition Tests KW - Humans KW - Immunity KW - Influenza, Human KW - immunology N1 - Publication Type: Letter ER -