Depp, Timothy B., Kathleen A. McGinnis, Kevin Kraemer, Kathleen M. Akgün, Jennifer E. Edelman, David A. Fiellin, Adeel A. Butt, Stephen Crystal, Adam J. Gordon, Matthew Freiberg et al. "Risk factors associated with acute exacerbation of chronic obstructive pulmonary disease in HIV-infected and uninfected patients." AIDS (London, England) 30, no. 3 (2016): 455-63.