@techreport{Bignami-Van Assche2004,
author = {Bignami-Van Assche, S. and Smith, K. and Reniers, G. and Anglewicz, P. and Thornton, R. and Chao, L.-W. and Weinreb, A. and Watkins, S. and Hoffman, I.},
title= {Protocol for biomarker testing in the 2004 Malawi Diffusion and Ideational Change Project},
year = {2004},
publisher = {University of Pennsylvania},
address = {Philadelphia},
number = {Social Networks Project Working Papers; 6},
}