title: Fine structure of rat islet cell tumors induced by streptozotocin and nicotinamide.
mesh_terms: D007516:Adenoma, Islet Cell / Q000139:chemically induced / Q000473:pathology*; D000818:Animals; D001786:Blood Glucose / Q000032:analysis; D004357:Drug Synergism; D007328:Insulin / Q000097:blood; D008297:Male; D008854:Microscopy, Electron; D009374:Neoplasms, Experimental; D009536:Niacinamide / Q000009:adverse effects*; D010190:Pancreatic Neoplasms / Q000139:chemically induced / Q000473:pathology*; D013311:Streptozocin / Q000009:adverse effects*
chemical_list: D001786:Blood Glucose; D007328:Insulin; D009536:Niacinamide; D013311:Streptozocin