@article{Floyd2013,
author = {Floyd, S. and Molesworth, A. and Dube, A. and Crampin, A.C. and Houben, R. and Chihana, M. and Price, A. and Kayuni, N. and Saul, J. and French, N. and Glynn, J.R.},
title= {Underestimation of HIV prevalence in surveys when some people already know their status, and ways to reduce the bias},
year = {2013},
doi = {10.1097/QAD.0b013e32835848ab},
volume = {27},
number = {2},
pages = {233--242},
}