title: Chest discomfort, cocaine, and tobacco.
mesh_terms: D002637:Chest Pain / Q000453:epidemiology* / Q000209:etiology; D003042:Cocaine; D006801:Humans; D015994:Incidence; D009203:Myocardial Infarction / Q000453:epidemiology* / Q000209:etiology; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects*; D019966:Substance-Related Disorders / Q000150:complications*; D013997:Time Factors
chemical_list: D003042:Cocaine