Rosenberg, M. ., Pettifor, A. ., Twine, R. ., Hughes, J. ., Gomez-Olive, F. ., Wagner, R. ., … Kahn, K. . (2018). Evidence for sample selection effect and Hawthorne effect in behavioural HIV prevention trial among young women in a rural South African community. BMJ Open, 8(1), e019167. https://doi.org/10.1136/bmjopen-2017-019167 (Original work published 2018)

Means, A. ., van Lieshout, L. ., Brienen, E. ., Yuhas, K. ., Hughes, J. ., Ndungu, P. ., … Walson, J. . (2018). Combined effectiveness of anthelmintic chemotherapy and WASH among HIV-infected adults. PLoS Neglected Tropical Diseases, 12(1), e0005955. https://doi.org/10.1371/journal.pntd.0005955