Journal Article
Wall, Kristin M, Bellington Vwalika, Lisa Haddad, Naw Htee Khu, Cheswa Vwalika, William Kilembe, Elwyn Chomba, Rob Stephenson, David Kleinbaum, and Azhar Nizam.
"Impact of long-term contraceptive promotion on incident pregnancy: a randomized controlled trial among HIV positive couples in Lusaka, Zambia." Journal of Acquired Immune Deficiency Syndromes (1999) 63, no. 1 (2013): 86-95.