BibTex format
@article{Robertson:2010:10.1080/09540121003758622,
author = {Robertson, L and Gregson, S and Garnett, GP},
doi = {10.1080/09540121003758622},
journal = {AIDS CARE-PSYCHOLOGICAL AND SOCIO-MEDICAL ASPECTS OF AIDS/HIV},
pages = {927--938},
title = {Sexual risk among orphaned adolescents: is country-level HIV prevalence an important factor?},
url = {http://dx.doi.org/10.1080/09540121003758622},
volume = {22},
year = {2010}
}