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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク B reader ： ウィキペディア英語版 B reader A "B" reader is a physician certified by the National Institute for Occupational Safety and Health (NIOSH) as demonstrating proficiency in classifying radiographs of the pneumoconioses. ==History== In 1974, after studies of surveillance programs for coal miners revealed unacceptable degrees of reader variability,〔Felson B, Morgan WKC, Bristol LJ, et al. Observations on the Results of Multiple Readings of Chest Films in Coal Miners' Pneumoconiosis. ''Radiol'', 1973;109:19-23.〕 NIOSH began the "B" reader program (so named because of the ''Black'' lung or Coal Workers' X-ray Surveillance Program), with the intent to train and certify physicians in the ILO Classification system〔Morgan RH. Proficiency Examination of Physicians for Classifying Pneumoconiosis Chest Films. ''Am J Radiol'', 1979;132:803-808.〕 (for classifying radiographs for the presence of pneumoconiosis), so as to insure that physicians using this system were as accurate and precise as possible. The "B" reader certification examination system went into full operation in 1978. The current examination involves a timed classification of 125 radiographs. A physician must pass the certification examination to be a "B" reader and certification lasts 4 years. Examinations are offered monthly at the Appalachian Laboratory for Occupational Safety and Health (ALOSH) located in Morgantown, West Virginia. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「B reader」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.