[Detection of ischemic heart disease by means of questionnaires by mail].
D003327:Coronary Disease / Q000175:diagnosis*; D003954:Diagnostic Services; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008499:Medical Records; D008875:Middle Aged; D011795:Surveys and Questionnaires
Vyiavlenie ishemicheskoĭ bolezni serdtsa s pomoshch'iu metoda pochtovogo oprosa.