TY - JOUR AU - Clark T. AU - Reid I. AU - Gray H. AU - Dunn L. AU - Rodgers A AU - Neal Bruce AU - Macmahon S BT - Acta Orthopaedica Scandinavica LA - eng LB - journal PY - 1999 SP - 111 EP - 21 ST - Acta Orthop. Scand. T2 - Acta Orthopaedica Scandinavica TI - A systematic overview of 13 randomised trials of non-steroidal anti-inflammatory drugs for the prevention of heterotopic bone formation after major hip surgery VL - 71 ER -