New PSC Working Paper: Kohler, Iliana V., Philip Anglewicz, Hans-Peter Kohler, John F. McCabe, Ben Chilima and Beth J. Soldo. 2012. "Evaluating Health and Disease in Sub-Saharan Africa: Minimally Invasive Collection of Plasma in the Malawi Longitudinal Study of Families and Health (MLSFH)." PSC Working Paper Series, PSC 12-05.