RETRACTED: Laboratory markers associated with progression of HIV infection

This article has been retracted at the request of the Editor-in-Chief and authors. Please see http://www.elsevier.com/locate/withdrawalpolicy. Reason: significant portions of the article had been previously published in the article “Laboratory markers associated with progression of HIV infection” by V. Gupta and S. Gupta published in Indian Journal of Medical Microbiology, 22 (2004) 7–15 and were reproduced without proper citation.