Items where Author is "Westfall, Andrew O."

Yes

Schöni-Affolter, Franziska and Keiser, Olivia and Mwango, Albert and Stringer, Jeffrey and Ledergerber, Bruno and Mulenga, Lloyd and Bucher, Heiner C. and Westfall, Andrew O. and Calmy, Alexandra and Boulle, Andrew and Chintu, Namwinga and Egger, Matthias and Chi, Benjamin H. and Swiss HIV Cohort Study, and IeDEA Southern Africa, . (2011) Estimating loss to follow-up in HIV-infected patients on antiretroviral therapy : the effect of the competing risk of death in Zambia and Switzerland. PLoS ONE, Vol. 6, H. 12 , e27919.