@conference{19491,
  author = {Fransen M.},
  title = {HIPAID Collaborative Group. The safety and efficacy of routine perioperative NSAIDs prophylaxis for ectopic bone formation after hip replacement surgery. A randomised clinical trial},
  year = {2006},
  journal = {World Congress on Osteoarthritis},
  address = {Prague, Czech Republic},
  language = {eng},
}