@article{Johnston2008, author = {Johnston, L.G. and Malekinejad, M. and Kendall, C. and Iuppa, I.M. and Rutherford, G.W. }, title= {Implementation challenges to using respondent-driven sampling methodology for HIV biological and behavioral surveillance: Field experiences in international settings}, year = {2008}, doi = {10.1007/s10461-008-9413-1}, journal = {AIDS and Behavior}, volume = {12}, pages = {131--41}, }