Failed amitriptyline absorption.
D000328:Adult; D000639:Amitriptyline / Q000378:metabolism*; D005260:Female; D006086:Graft vs Host Disease / Q000150:complications*; D006801:Humans; D007408:Intestinal Absorption; D008286:Malabsorption Syndromes / Q000209:etiology*
D000639:Amitriptyline