@article{doi:,
author = {Guardiola JM and Domingo P and Vazquez G},
title = {Switching hiv-1 protease inhibitor therapy: Which? when? and why?},
journal = {Archives of Internal Medicine},
volume = {159},
number = {2},
pages = {194-195},
year = {1999},
doi = {},
URL = { + http://dx.doi.org/},
eprint = {/data/Journals/INTEMED/11936/ilt0125.pdf}
}