@article{Helleringer2007,
author = {Helleringer, S. and Kohler, H.P.},
title= {Sexual network structure and the spread of HIV in Africa: evidence from Likoma Island, Malawi},
year = {2007},
doi = {10.1097/QAD.0b013e328285df98},
journal = {AIDS},
volume = {21},
number = {17},
pages = {2323--2332},
}