1. Reliability and Validity of Integrated External and Internal Load Ratios as Measures of Fitness in Academy Rugby Union Players. Issue 6 (June 2020) Authors: Taylor, Richard J.; Sanders, Dajo; Myers, Tony; Akubat, Ibrahim Journal: Journal of strength and conditioning research Issue: Volume 34:Issue 6(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗