TY - STAND AU - A. Taqi AU - H. Otete AU - R.D. Knaggs BT - Value in Health M1 - 9 PY - 2017 SP - A540 EP - A541 T2 - Value in Health TI - Trends in opioid prescribing in primary care patients with knee osteoarthritis: A population based observational study VL - 20 ER -