title: [Determination of acetylcholinesterase activity by aspiration rectal biopsy].
mesh_terms: D000110:Acetylcholinesterase / Q000032:analysis*; D001707:Biopsy, Needle; D002648:Child; D002675:Child, Preschool; D004796:Clinical Enzyme Tests; D003248:Constipation / Q000175:diagnosis*; D006627:Hirschsprung Disease / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D012007:Rectum / Q000201:enzymology*
chemical_list: D000110:Acetylcholinesterase
vernacular_title: Determinación de actividad de acetilcolinesterasa (ACE) mediante biopsia rectal por succión.