title: Serological characterization of Haemophilus pleuropneumoniae (Actinobacillus pleuropneumoniae) strains and proposal of a new serotype: serotype 9.
mesh_terms: D000818:Animals; D000942:Antigens, Bacterial / Q000302:isolation & purification*; D006190:Haemophilus / Q000145:classification* / Q000276:immunology; D006386:Hemagglutination Tests; D005779:Immunodiffusion; D011002:Pleuropneumonia, Contagious / Q000382:microbiology / Q000662:veterinary; D012703:Serotyping; D013552:Swine; D013553:Swine Diseases / Q000382:microbiology
chemical_list: D000942:Antigens, Bacterial