@article{Geibel2007,
author = {Geibel, S. and van der Elst, E. and King’ola, N. and Luchters, S. and Davies, A. and Getambu, E. and Pushu, N. and Graham, S. and McClelland, R. and Sanders, E.},
title= {‘Are you on the market?’: A capture–recapture enumeration of men who sell sex to men in and around Mombasa, Kenya},
year = {2007},
doi = {10.1097/QAD.0b013e328017f843},
volume = {21},
number = {10},
pages = {1349--1354},
}