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Rationale and design of The Delphi Trial--I(RCT)2: international randomized clinical trial of rheumatoid craniocervical treatment, an intervention-prognostic trial comparing 'early' surgery with conservative treatment [ISRCTN65076841].
Wolfs JF, Peul WC, Boers M, van Tulder MW, Brand R, van Houwelingen HJ, Thomeer RT. Wolfs JF, et al. Among authors: van houwelingen hj, van tulder mw. BMC Musculoskelet Disord. 2006 Feb 16;7:14. doi: 10.1186/1471-2474-7-14. BMC Musculoskelet Disord. 2006. PMID: 16483360 Free PMC article. Clinical Trial.
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