Drupal-Bibcite7<style face="normal" font="default" size="100%">Non-steroidal anti-inflammatory drugs for preventing heterotopic bone formation after hip arthroplasty (Cochrane Review)</style><style face="normal" font="default" size="100%">Non-steroidal anti-inflammatory drugs for preventing heterotopic bone formation after hip arthroplasty (Cochrane Review)</style>