@article{Knoll_1999,
title={Tacrolimus versus cyclosporin for immunosuppression in renal transplantation: meta-analysis of randomised trials},
volume={318},
ISSN={1468-5833},
url={http://dx.doi.org/10.1136/bmj.318.7191.1104},
DOI={10.1136/bmj.318.7191.1104},
number={7191},
journal={BMJ},
publisher={BMJ},
author={Knoll,
G. A and Bell,
R. C},
year={1999},
month=apr,
pages={1104–1107} }