1. The pulmonary complications of dysphagia;Belcher;Thorax,1949
2. Pulmonary complications of cardiospasm;Andersen;JAMA,1953
3. Relationship between pulmonary disease, hiatal hernia and gastroesophageal reflux;Davis;New York J Med,1972
4. Wheezing: a clue to gastroesophageal reflux;Babb;Amer J Gastroent,1970
5. Hiatal hernia and intractable bronchial asthma;Klotz;Ann Allerg,1971