[Assessment of the postal questionnaire method in epidemiologic studies].
D000787:Angina Pectoris / Q000175:diagnosis; D003327:Coronary Disease / Q000175:diagnosis*; D004812:Epidemiologic Methods; D006306:Health Surveys; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D009031:Moscow; D005082:Physical Exertion; D011177:Postal Service; D011795:Surveys and Questionnaires
K otsenke metoda pochtovogo oprosa pri épidemiologicheskikh issledovaniiakh.