@article{article63014743,
title   = {Physical activity and cancer: an umbrella review of the literature including 22 major anatomical sites and 770 000 cancer cases},
author = {Rezende, Leandro Fornias Machado de and Sa, Thiago Herick de and Markozannes, Georgios and Rey-Lopez, Juan Pablo and Lee, I-Min and Tsilidis, Konstantinos K. and Ioannidis, John P. A. and Eluf-neto, Jose},
year = {2018},
doi = {10.1136/bjsports-2017-098391},
journal   = {British journal of sports medicine}
}