BibTex format
@article{Cooke:2000:10.1016/s0140-6736(00)02454-5,
author = {Cooke, FJ and Holmes, A},
doi = {10.1016/s0140-6736(00)02454-5},
journal = {Lancet},
title = {E-mail consultations in international health.},
url = {http://dx.doi.org/10.1016/s0140-6736(00)02454-5},
volume = {356},
year = {2000}
}