TY - JOUR A1 - Hansen, J. D. L. A1 - et al., T1 - Evaluating the Synergism of Infection and Nutrition in the Field JF - N. S. Scrimshaw and J. E. Gordon (Eds.), Malnutrition, Learning, and Behavior, Cambridge (The M.I.T. Press) 1968, pp. 438-463. Y1 - 1968 ER -