Contribution to the study of arsenical lichen planus.
D000981:Antiprotozoal Agents; D001151:Arsenic / Q000633:toxicity*; D020261:Arsenic Poisoning; D008010:Lichen Planus; D008011:Lichens
D000981:Antiprotozoal Agents; D001151:Arsenic
ARSENIC AND ARSENIC COMPOUNDS/toxicity; LICHEN/planus
Aportación al estudio del liquen plano arsenical.