title: Letter: death and coronary attacks after giving up cigarette smoking.
mesh_terms: D003327:Coronary Disease / Q000150:complications / Q000401:mortality*; D004739:England; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012744:Sex Ratio; D012907:Smoking / Q000150:complications*; D014852:Wales