[1]
P.-E. Persson, O. S. Nilsson, and A.-M. Berggren, “Do non-steroidal anti-inflammatory drugs cause endoprosthetic loosening? A 10-year follow-up of a randomized trial on ibuprofen for prevention of heterotopic ossification after hip arthroplasty”, ActaO, vol. 76, no. 6, pp. 735–740, Jan. 2005.