[Several aspects of utilization of medical services by middle aged and elderly patients].
D000367:Age Factors; D000368:Aged; D005260:Female; D006296:Health Services / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012426:Russia; D012737:Sex Factors
Nekotorye aspekty obrashchaemosti za meditsinskoĭ pomoshch'iu lits pozhilogo i starcheskogo vozrasta.