title: The effect of smoking cigarettes on the apexcardiogram in coronary heart disease.
mesh_terms: D000328:Adult; D001794:Blood Pressure / Q000187:drug effects; D003327:Coronary Disease; D004562:Electrocardiography; D006321:Heart / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007702:Kinetocardiography; D008297:Male; D008875:Middle Aged; D009538:Nicotine / Q000494:pharmacology*; D010701:Phonocardiography; D012907:Smoking; D013997:Time Factors
chemical_list: D009538:Nicotine