@article{Ramjee1999,
author = {Ramjee, G. and Weber, A.E. and Morar, N.S.},
title= {Recording sexual behavior: comparison of recall questionnaires with a coital diary},
year = {1999},
doi = {10.1097/00007435-199908000-00002},
journal = {Sexually Transmitted Diseases},
volume = {26},
number = {7},
pages = {374--380},
}