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Anorectal malformations
ARM embriology
Anatomy & physiology anorectum
Normal x- ray anatomy colon & rectum
Embryology of the cloaca
Congenital anal stenosis
Rectal or anal atresia?
New version of the cutback procedure
Encopresis in children
Megacolon in children
Rationale for new surgical tactics for ARM without visible fistula
Late diagnosis of congenital anal canal stenosis
Analysis of the role of Alberto Peña in the development and promotion of PSARP
Gastroesophageal Reflux Disease
Gastrointestinal motility and law of the intestine
Hydrochloric acid hypersecretion is the cause of pathology in upper digestive tract
Infantile colic
Superior mesenteric artery syndrome results from hypersecretion of hydrochloric acid
Diagnosis of the GERD
Esophageal achalasia or GERD ?
Functional heartburn is gastroesophageal reflux
Jackhammer Esophagus - Symptom or Diagnosis?
Aortic esophageal sphincter
Prevention and treatment GERD
Etiology and pathogenesis of sphincter Oddi dysfunction
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