title: Outbreaks of food poisoning attributed to lecithinase-negative Clostridium welchii.
mesh_terms: D003016:Clostridium perfringens / Q000201:enzymology / Q000302:isolation & purification; D005517:Foodborne Diseases / Q000209:etiology*; D006801:Humans; D010740:Phospholipases / Q000096:biosynthesis
chemical_list: D010740:Phospholipases