@article{Harris2008,
author = {Harris, R. and Bradburn, M. and Deeks, J. and Harbord, R.M. and Altman, D. and Sterne, J.},
title= {Metan: Fixed-and random-effects meta-analysis},
year = {2008},
doi = {10.1177/1536867X0800800102},
volume = {8},
number = {1},
pages = {3--28},
}