title: Comparison of the fine structure of basal cell carcinomas in ordinary patients and patients with chronic arsenicalism.
mesh_terms: D020261:Arsenic Poisoning; D002280:Basal Cell Carcinoma / Q000648:ultrastructure*; D006801:Humans; D008875:Middle Aged; D012878:Skin Neoplasms / Q000648:ultrastructure*