TY - RPRT TI - Trochlear resurfacing for extensor mechanism instability following patellectomy. AU - C E Ackroyd AU - E J Smith AU - J H Newman PY - 2004 DO - 10.1016/s0968-0160(03)00079-6 UR - https://pubmed.ncbi.nlm.nih.gov/15066620/ ID - 15066620 ER -