4Nieuwenhuijsen MJ, Putcha V, Gordon S, et al. Exposure-response re- lations among laboratory animal workers exposed to rats[J]. Oeeup En- viron Med,2003,60 : 104 - 108.
5K. M. Allan. Assessment of respiratory health surveillance for laboratory animal workers[ J]. Occup Med (Lond) ,2010,60:458 - 463.
6Pacheco KA, Rose CS, Silveira LJ, et al. Gene-environment interactions influence airways function in laboratory animal workers[ J ]. J Allergy Ciin hnmunol,2010,126:232 - 240.
7Goidstein BD. Hematological and toxicological evaluation of formalde- hyde as a potential cause of human leukemia [ J ]. Hum Exp Toxicol, 2010,29:667 - 669.