%0 Journal Article %A F. S. Haddad %T All levels of evidence contribute to our evolving knowledge %D 2015 %J The Bone & Joint Journal %P 1445-1446 %V 97-B %N 11 %R 10.1302/0301-620X.97B11.37388 %U https://doi.org/10.1302/0301-620X.97B11.37388 %K