1. 苹苹的解释
1. 作者：李小娜吕立勋周洁徐海燕陈苹苹作者单位：1。华北煤炭医学院，河北唐山 063000；2。华北煤炭医学院2008届实习生，河北唐山 063000
Department of Pharmacology, North China Coal Medical College, Tangshan 063000, China; 2.2008 Graduates of Department of Pharmacology, North China Coal Medical College Tangshan 063000, China