@article {1533, title = {Optimal frequency of CD4 cell count and HIV RNA monitoring prior to initiation of antiretroviral therapy in HIV-infected patients.}, journal = {Antiviral therapy}, volume = {10}, year = {2005}, month = {2005}, pages = {41-52}, abstract = {Guidelines regarding the frequency of CD4 cell count and HIV RNA monitoring in HIV-infected patients vary, with recommended strategies ranging from every 2 to every 6 months.}, keywords = {Anti-HIV Agents, CD4 Lymphocyte Count, Cohort Studies, Computer Simulation, Cost-Benefit Analysis, HIV Infections, Humans, Models, Biological, Models, Economic, Outcome Assessment (Health Care), RNA, Viral, Sensitivity and Specificity, Time Factors, Virology}, issn = {1359-6535}, doi = {10.1111/j.1524-4733.2010.00763.x}, author = {Kimmel, April D and Goldie, Sue J and Walensky, Rochelle P and Losina, Elena and Weinstein, Milton C and Paltiel, A David and Zhang, Hong and Freedberg, Kenneth A} }