van Baar, M E Effectiveness of exercise therapy in patients with osteoarthritis of the hip or knee: a systematic review of randomized clinical trials. [electronic resource] - Arthritis and rheumatism Jul 1999 - 1361-9 p. digital Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Review; Systematic Review ISSN: 0004-3591 Standard No.: 10.1002/1529-0131(199907)42:7<1361::AID-ANR9>3.0.CO;2-9 doi Subjects--Topical Terms: Exercise TherapyHumansOsteoarthritis, Hip--therapyOsteoarthritis, Knee--therapyRandomized Controlled Trials as TopicReproducibility of Results