[Ultrastructural studies of cancer promoting effects of arsenic].
D000818:Animals; D001151:Arsenic; D008297:Male; D051379:Mice; D008810:Mice, Inbred C57BL; D009374:Neoplasms, Experimental / Q000139:chemically induced / Q000648:ultrastructure*; D012878:Skin Neoplasms / Q000648:ultrastructure*
D001151:Arsenic