Supplemental digital content 1. Detailed search strategy.
(Hirschsprung Disease OR Hirschsprung's Disease OR Hirschsprungs Disease OR Aganglionic Megacolon OR Congenital Megacolon OR Rectosigmoid Colon Aganglionosis OR Rectosigmoid Aganglionosis OR Congenital Intestinal Aganglionosis OR Colonic Aganglionosis OR Total Colonic Aganglionosis OR constipation OR Dyschezia OR Colonic Inertia OR intestinal dysganglionosis OR intestinal Pseudo Obstruction OR Intestinal Pseudo-Obstructions OR Intestinal Pseudo-Obstruction OR Chronic Idiopathic Intestinal Pseudo-Obstruction OR Congenital Short Bowel Syndrome OR Idiopathic Intestinal Pseudo-Obstruction OR Idiopathic Intestinal Pseudo-Obstructions OR Idiopathic Intestinal Pseudo Obstruction OR Idiopathic Intestinal Pseudo-Obstructions OR Idiopathic Intestinal Pseudo-Obstruction OR Idiopathic Intestinal Pseudo-Obstructions OR Pseudointestinal Obstruction Syndrome OR Pseudoobstructive Syndrome OR Intestinal Pseudoobstruction OR Intestinal Pseudoobstructions OR Enteric Neuropathy OR Paralytic Ileus OR Visceral Myopathy OR Visceral Myopathies OR intestinal neuronal dysplasia OR Neuronal intestinal pseudoobstruction OR Autosomal Recessive Familial Visceral Neuropathy OR type A Neuronal intestinal dysplasia OR neuronal type chronic idiopathic intestinal Pseudoobstruction OR deficiency of Argyrophil myenteric plexus OR Intestinal pseudoobstruction due to neuronal disease OR type B Neuronal Intestinal Dysplasia OR hypoganglionosis) AND (Rectal biopsy OR Rectal biopsies OR rectal suction biopsy OR rectal suction biopsies OR rectal punch biopsy OR rectal punch biopsies OR two-point rectal mucosal biopsy OR two-point rectal mucosal biopsies OR Suction Biopsies of the rectum OR Suction Biopsy of the rectum OR Suction Biopsy of rectum OR Suction Biopsies of rectum OR Punch Biopsy of rectum OR Punch Biopsies of rectum OR
Punch Biopsy of the rectum OR Punch Biopsies of the rectum OR rectal mucosal biopsy OR rectal mucosal biopsies OR suction biopsy OR suction biopsies OR suction rectal biopsy OR suction rectal biopsies OR Noblett OR biopsy forceps OR biopsies forceps OR traditional biopsy forceps OR traditional biopsies forceps OR modern biopsy forceps OR modern biopsies forceps OR rectal biopsy forceps OR rectal biopsies forceps OR deeper rectal biopsy OR deeper rectal biopsies OR Scheye OR Jumbo biopsy forceps OR jumbo biopsies forceps OR multipurpose biopsy tube OR multipurpose biopsy tubes OR multipurpose biopsies tube OR multipurpose biopsies tubes OR Swenson rectal biopsy OR Swenson rectal biopsies OR open rectal biopsy OR open rectal biopsies OR cup rectal biopsy OR cup rectal biopsies OR surgical rectal biopsy OR surgical rectal biopsies)