title: The role of phospholipase A in gallstone formation.
mesh_terms: D002764:Cholecystitis / Q000201:enzymology*; D002769:Cholelithiasis / Q000201:enzymology*; D002845:Chromatography; D006801:Humans; D008244:Lysophosphatidylcholines / Q000032:analysis; D010713:Phosphatidylcholines / Q000032:analysis; D010740:Phospholipases / Q000032:analysis*
chemical_list: D008244:Lysophosphatidylcholines; D010713:Phosphatidylcholines; D010740:Phospholipases