15. Allgrove J, Clayden GS, Grant DB, Macaulay JC. Familial glucocorticoid deficiency with achalasia of the cardia and deficient tear production. Lancet. 1978;I:1284-1286.
16.
16. Leichter HE, Vargas J, Cohen AH, et al. Alport's syndrome and achalasia. Pediatr Nephrol. 1989;2:312-314.
17.
17. Murphy MS, Gardner-Medwin D, Eastham EJ. Achalaisa of the cardia associated with hereditary cerebellar ataxia. Am J Gastroenterol. 1989;84:1329-1330.
18.
18. Hernandez A, Reynoso MC, Soto F, et al. Achalasia microcephaly syndrome in a patient with consangineous parents: support for achalasia microcephaly being a distinct autosomal recessive condition. Clin Genet. 1989;36:456-458.
19.
19. Maayan C, Oren A, Goldin E, et al. Megaesophagus and recurrent apnea in an adult patient with familial dysautonomia. Am J Gastroenterol. 1990;85:729-732.
20.
20. Payne WS, Ellis FH Jr, Olsen A. Treatment of cardiospasm (achalasia of the esophagus in children). Surgery. 1961;50:731-735.
21.
21. Yon J, Christensen J. An uncontrolled comparison of treatments for achalasia. Ann Surg. 1975;182:672-676.
22.
22. Berquist WE, Byrne WJ, Ament ME, et al. Achalasia: diagnosis, management, and clinical course in 16 children. Pediatrics. 1983;71:798-805.
23.
23. Bortlotti M, Labo G. Clinical and manometric effects of nifedipine in patients with achalasia. Gastroenterology. 1981;80:39-44.
24.
24. Richter JE, Dalton CB, Buice RG, et al. Nifedipine: a potent inhibitor of contractions in the body of the human esophagus. Gastroenterology. 1985;89:549-554.
25.
25. Maksimak M, Perlmutter DH, Winter HS. The use of nifedipine for the treatment of achalasia in children. J Pediatr Gastroenterol Nutr. 1986;5:883-886.
26.
26. Moersch HJ. Cardiospasm in infancy and childhood. Am J Dis Child. 1929;38:294-298.
27.
27. Azizkhan RG, Tapper D, Erakis A. Achalasia in childhood: a 20 year experience. J Pediatr Surg. 1980;15:452-456.
28.
28. Nakayama DK, Shorter NA, Boyle JT, et al. Pneumatic dilation and operative treatment of achalasia in children. J Pediatr Surg. 1987;22:619-622.
29.
29. Boyle JT, Cohen S, Watkins JB. Successful treatment of achalasia in childhood by pneumatic dilation. J Pediatr. 1981;99:35-40.
30.
30. Samarasinghe DA, Nicholson GI, Hamilton I. Dilation of achalasia in the young: a useful alternative. Gastrointest Endoscop. 1991;37:568-569.
31.
31. Vantrappen G, Hellemans J. Treatment of achlasia and related motor disorders. Gastroenterology. 1980;79:144-154.
32.
32. Nihoul-Fekete C, Bawab F, Lorat-Jacob S, et al. Achalasia of the esophagus in childhood: surgical treatment in 35 cases with special reference to familial cases and glucocorticoid deficiency association. J Pediatr Surg. 1989;24:1060-1063.
33.
33. Jara FM, Toledo-Pareyra LH, Lewis JW, et al. Long-term results of esophagomyotomy for achalasia of the esophagus. Arch Surg. 1979;114:935-936.
34.
34. Ballantine TVN, Fitzgerald JF, Grosfeld JL. Transabdominal esophagomyotomy for achalasia in children. J Pediatr Surg. 1980;15:457-461.
35.
35. Buick RG, Spitz L. Achalasia of the cardia in children. Br J Surg. 1985;72:341-343.