Korea Occupational Safety & Health Agency (KOSHA). Practical Guide of Worker’s Health Examination Ⅱ.Seongmungiwhoik. Seoul. 2006. pp343.(Korean, translated b..
Korea Occupational Safety & Health Agency (KOSHA). Practical Guide of Worker’s Health Examination Ⅱ.Seongmungiwhoik. Seoul. 2006. pp343.(Korean