BibTex format
@article{Gupta:1999:10.1016/S0169-4758(99)01559-8,
author = {Gupta, S and Anderson, RM},
doi = {10.1016/S0169-4758(99)01559-8},
journal = {PARASITOLOGY TODAY},
pages = {497--501},
title = {Population structure of pathogens: The role of immune selection},
url = {http://dx.doi.org/10.1016/S0169-4758(99)01559-8},
volume = {15},
year = {1999}
}