Wake up and smell the coffee: caffeine supplementation and exercise performance—an umbrella review of 21 published meta-analyses
Crossref DOI link: https://doi.org/10.1136/bjsports-2018-100278
Published Online: 2019-03-29
Published Print: 2020-06
Update policy: https://doi.org/10.1136/crossmarkpolicy
Grgic, Jozo http://orcid.org/0000-0002-6929-2844
Grgic, Ivana
Pickering, Craig http://orcid.org/0000-0002-7056-4966
Schoenfeld, Brad J
Bishop, David J
Pedisic, Zeljko http://orcid.org/0000-0003-2886-3556