title: Groups I and II pepsinogens in Meckels's diverticulum.
mesh_terms: D000293:Adolescent; D005260:Female; D006801:Humans; D008467:Meckel Diverticulum / Q000201:enzymology*; D010435:Pepsinogens / Q000032:analysis*
chemical_list: D010435:Pepsinogens