县级疾控机构职业卫生技术服务资质认证的困难与建议縣級疾控機構職業衛生技術服務資質認證的睏難與建議 현급질공궤구직업위생기술복무자질인증적곤난여건의 Difficulties in the Occupational Hygienic Service Qualification in the Disease Prevention and Control Institutions
万方数据
职业与健康職業與健康직업여건강 OCCUPATION AND HEALTH 2008年5期497-498,共2页