Thomas, E Nifedipine for the poor-risk elderly patient with achalasia: objective response demonstrated by solid meal study. [electronic resource] - Southern medical journal Mar 1984 - 394-6 p. digital Publication Type: Case Reports; Journal Article ISSN: 0038-4348 Standard No.: 10.1097/00007611-198403000-00034 doi Subjects--Topical Terms: AgedEatingEsophageal Achalasia--diagnostic imagingFemaleHumansNifedipine--therapeutic usePentetic AcidRadionuclide ImagingRiskTechnetiumTechnetium Tc 99m Pentetate