title: Chronic constipation.
authors.affiliation: State University of New York at Stony Brook.
authors.forename: M J
authors.initials: MJ
authors.lastname: Pettei
mesh_terms: D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D003248:Constipation / Q000503:physiopathology / Q000628:therapy; D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant; D007231:Infant, Newborn