%0 Journal Article %A Gunter Spahn %A Hans Michael Klinger %A Thomas Mückley %A Gunther Hofmann %T FOUR-YEAR RESULTS FROM A RANDOMIZED CONTROLLED STUDY OF KNEE CHONDROPLASTY. (MECHANIC DEBRIDEMENT VERSUS RADIOFREQUENCY CHONDROPLASTY) %D 2011 %J Orthopaedic Proceedings %P 91-91 %V 93-B %N SUPP_II %R 10.1302/0301-620X.93BSUPP_II.0930091a %U https://doi.org/10.1302/0301-620X.93BSUPP_II.0930091a %K