McMahon, J. H., Elliott, J. H., Hong, S. Y., Bertagnolio, S., & Jordan, M. R. (2013). Effects of Physical Tracing on Estimates of Loss to Follow-Up, Mortality and Retention in Low and Middle Income Country Antiretroviral Therapy Programs: A Systematic Review. Public Library of Science.

McMahon, James H., Julian H. Elliott, Steven Y. Hong, Silvia Bertagnolio, a Michael R. Jordan. Effects of Physical Tracing On Estimates of Loss to Follow-Up, Mortality and Retention in Low and Middle Income Country Antiretroviral Therapy Programs: A Systematic Review. Public Library of Science, 2013.

McMahon, James H., et al. Effects of Physical Tracing On Estimates of Loss to Follow-Up, Mortality and Retention in Low and Middle Income Country Antiretroviral Therapy Programs: A Systematic Review. Public Library of Science, 2013.