@article{Fanelli_2011,
 title={Negative results are disappearing from most disciplines and countries},
 volume={90},
 ISSN={1588-2861},
 url={http://dx.doi.org/10.1007/s11192-011-0494-7},
 DOI={10.1007/s11192-011-0494-7},
 number={3},
 journal={Scientometrics},
 publisher={Springer Science and Business Media LLC},
 author={Fanelli,
 Daniele},
 year={2011},
 month=sep,
 pages={891–904} }