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Dutch general practitioners' referral of children to specialists: a comparison between 1987 and 2001
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Impact of motor vehicle accidents on neck pain and disability in general practice
Supervised exercises for adults with acute lateral ankle sprain: a randomised controlled trial
Prognosis of trochanteric pain in primary care
Practical aspects of conducting a pragmatic randomised trial in primary care: patient recruitment and outcome assessment
Comparison between children and adolescents with and without chronic benign pain: consultation rate and pain characteristics
Effectiveness of diclofenac versus acetaminophen in primary care patients with knee osteoarthritis: [NTR1485], DIPA-Trial: Design of a randomized clinical trial
Knee disorders in primary care: design and patient selection of the HONEUR knee cohort.
The effect of Tai Chi Chuan in reducing falls among elderly people: design of a randomized clinical trial in the Netherlands [ISRCTN98840266].