title: Ultracytochemical studies on aberrant structures in avian virus tumor cells.
mesh_terms: D000818:Animals; D001354:Avian Leukosis Virus; D002645:Chickens; D006651:Histocytochemistry; D007668:Kidney / Q000473:pathology*; D007680:Kidney Neoplasms / Q000473:pathology*; D008854:Microscopy, Electron; D009374:Neoplasms, Experimental / Q000473:pathology*; D010434:Pepsin A / Q000494:pharmacology; D012260:Ribonucleases / Q000494:pharmacology; D012270:Ribosomes
chemical_list: D012260:Ribonucleases; D010434:Pepsin A