@article{Kim2013,
author = {Kim, H.J. and Fredriksen-Goldsen, K.I.},
title= {Nonresponse to a question on self-identified sexual orientation in a public health survey and its relationship to race and ethnicity},
year = {2013},
doi = {10.2105/AJPH.2012.300835},
volume = {103},
number = {1},
pages = {67--69},
}