@article{Helleringer2009a,
author = {Helleringer, S. and Kohler, H.-P. and Kalilani-Phiri, L.},
title= {The association of HIV serodiscordance and partnership concurrency in Likoma Island (Malawi)},
year = {2009a},
doi = {10.1097/QAD.0b013e3282fc733b},
journal = {AIDS},
volume = {22},
number = {11},
pages = {1378--1379},
}