title: Proinsulin content of adult and fetal pancreatic tissue extracted after rapid freezing in situ.
mesh_terms: D000818:Animals; D000941:Antigens; D002850:Chromatography, Gel; D003429:Cross Reactions; D005333:Fetus / Q000032:analysis*; D005615:Freezing; D006168:Guinea Pigs / Q000276:immunology; D007118:Immunoassay; D007328:Insulin / Q000032:analysis; D010179:Pancreas / Q000032:analysis* / Q000196:embryology; D011384:Proinsulin / Q000032:analysis*; D011817:Rabbits; D013552:Swine
chemical_list: D000941:Antigens; D007328:Insulin; D011384:Proinsulin