Response to criticisms of the 20 m shuttle run test: deflections, distortions and distractions
Grant R Tomkinson, Justin J Lang, Luc A Léger, Timothy S Olds, Francisco B Ortega, Jonatan R Ruiz, Mark S Tremblay
British Journal of Sports Medicine Oct 2019, 53 (19) 1200-1201; DOI: 10.1136/bjsports-2018-100348