1. Achalasia in three siblings: a rare occurrence;London,1977
2. Achalasia of the cardia in sibs;Dayalan;Arch Dis Child,1972
3. Infantile achalasia. Inherited as an autosomal recessive disorder;Westley;J Pediatr,1975
4. Achalasia in monozygotic twins;Stein;Dig Dis Sci,1982
5. Autosomal recessive deafness. Associated with short stature, village, muscle weakness and achalasia;Rozychi;Arch Otolaryngol,1971