title: High urinary insulin-precursor levels in juvenile diabetes.
mesh_terms: D003922:Diabetes Mellitus, Type 1 / Q000652:urine*; D006801:Humans; D008722:Methods; D011236:Prediabetic State / Q000652:urine; D011384:Proinsulin / Q000302:isolation & purification / Q000652:urine*
chemical_list: D011384:Proinsulin