1. A Traffic Light Grading System of Hip Dysplasia to Predict the Success of Arthroscopic Hip Surgery. (October 2017) Authors: Grammatopoulos, George; Davies, Owain L.I.; El-Bakoury, Ahmed; Gill, Harinderjit S.; Pollard, Tom C.B.; Andrade, Antonio J. Journal: American journal of sports medicine Issue: Volume 45:Number 12(2017) Page Start: 2891 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗