[Functional megaesophagus of toxic origin].
D004194:Disease; D004931:Esophageal Achalasia; D004935:Esophageal Diseases; D004947:Esophagus; D006801:Humans; D011041:Poisoning / Q000150:complications*
ESOPHAGUS/diseases; POISONING/complications
Los megaesófagos funcionales de origen tóxico.