title: Roast beef, onions, and substernal chest pain.
mesh_terms: D000368:Aged; D001660:Biliary Tract Diseases / Q000175:diagnosis* / Q000209:etiology; D002769:Cholelithiasis / Q000150:complications / Q000175:diagnosis; D003085:Colic / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009203:Myocardial Infarction / Q000175:diagnosis; D010146:Pain / Q000175:diagnosis*; D013909:Thorax