[Improvement of the qualifications of statisticians of central regional hospitals, through teaching and correspondence].
D004496:Education, Continuing; D006761:Hospitals; D006801:Humans; D012426:Russia; D013223:Statistics as Topic / Q000193:education*
O zaochno-ochnom povyshenii kvalifikatsii statistikov tsentral'nykh raĭonnykh bol'nits.