CARDIOSPASM.
D006348:Cardiac Surgical Procedures; D003680:Deglutition Disorders; D004864:Equipment and Supplies; D004931:Esophageal Achalasia; D004945:Esophagoscopy; D009125:Muscle Relaxants, Central; D009573:Nitrites; D009729:Nursing; D010336:Pathology; D013514:Surgical Procedures, Operative; D013812:Therapeutics; D013903:Thoracic Surgery
D009125:Muscle Relaxants, Central; D009573:Nitrites
CARDIOSPASM; DEGLUTITION DISORDERS; EQUIPMENT AND SUPPLIES; ESOPHAGOSCOPY; HEART SURGERY; MUSCLE RELAXANTS; NITRITES; NURSING; PATHOLOGY; SURGERY, OPERATIVE; THERAPEUTICS