TY - JOUR AN - 13 AU - Misiewicz,J.J. AU - Waller,S.L. AU - Antony,P.P. TI - Achalasia of the cardia: Pharmacology and histopathology of isolated cardiac sphincteric muscle from patients with and without achalasia. JO - Quaterly J Med PY - 1969 VL - 38 SP - 17-30 M2 - 17 ER -