Mathur, N BBanerjee, SMaria, ABhatnagar, V2001-07-212009-05-272001-07-212009-05-272001-07-21Mathur NB, Banerjee S, Maria A, Bhatnagar V. Congenital cricopharyngeal achalasia. Indian Pediatrics. 2001 Jul; 38(7): 783-8http://imsear.searo.who.int/handle/123456789/10289engCleft Lip --physiopathologyCleft Palate --physiopathologyCraniofacial Abnormalities --physiopathologyEsophageal Achalasia --congenitalFatal OutcomeFollow-Up StudiesHumansIndiaInfantInfant, NewbornMalePharyngeal Muscles --physiopathologyPneumonia, Aspiration --etiologyCase Reports