Research ArticleOpen accessIn the keywordsCo-Inhibitory Molecule Programmed Death-1 and its Ligands: A New Alternative Therapy for Human Immunodeficiency Virus Infection?A. Leon-Flores, P. Del Rio, G. Reyes-TeranAmerican Journal of Infectious Diseases, Vol. 8, Issue 4 · 28 Dec 2012 · 6,962 accessesView PDFCite