title: Haemagglutination-inhibiting antibodies against influenza type A viruses in swine sera in India.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis*; D006385:Hemagglutination Inhibition Tests; D007194:India; D009980:Influenza A virus / Q000276:immunology*; D013552:Swine / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral