title: Syndactylism, dyschromia, and the arsenical dilemma.
mesh_terms: D000015:Abnormalities, Multiple; D020261:Arsenic Poisoning; D002294:Carcinoma, Squamous Cell / Q000209:etiology; D004940:Esophageal Stenosis / Q000151:congenital; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010859:Pigmentation Disorders / Q000150:complications* / Q000235:genetics; D011230:Precancerous Conditions / Q000209:etiology; D013576:Syndactyly / Q000150:complications*