G R Wagner1, M D Attfield, R D Kennedy
1Division of Respiratory Disease Studies (DRDS), National Institute for Occupational Safety and Health (NIOSH), Morgantown, West Virginia 26505-2888.
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Physicians certified as B readers undergo rigorous National Institute for Occupational Safety and Health (NIOSH) examinations to ensure accurate classification of pneumoconioses radiographs. This summary details the certification process and candidate performance from 1987-1990.
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