title: [Studies on necrotizing factor in recurrent aphtha (author's transl)].
mesh_terms: D000818:Animals; D001528:Behcet Syndrome / Q000097:blood; D003176:Complement C3 / Q000032:analysis; D006168:Guinea Pigs; D006801:Humans; D012008:Recurrence; D013281:Stomatitis, Aphthous / Q000097:blood*
chemical_list: D003176:Complement C3