Physical activity and risk of gastric cancer: a meta-analysis of observational studies
Ajibola Ibraheem Abioye, Majeed Olaniyi Odesanya, Asanat Iyabode Abioye, Nasiru Akanmu Ibrahim
British Journal of Sports Medicine Feb 2015, 49 (4) 224-229; DOI: 10.1136/bjsports-2013-092778