@misc{indiciaefb54e7a232f3, title = {Decrease of CD4+ T-lymphocytes in children exposed to environmental lead.}, author = {Sun Li and Zhao Zhengyan and Li Rong and Cheng Hanyun}, year = {2005}, doi = {10.1385/bter:105:1-3:019}, url = {https://pubmed.ncbi.nlm.nih.gov/16034150/}, note = {Source identifier: 16034150} }