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Towards a simpler solution.
Enberg E, Swartz D. Enberg E, et al. J Am Board Fam Pract. 2003 Mar-Apr;16(2):184. doi: 10.3122/jabfm.16.2.184-b. J Am Board Fam Pract. 2003. PMID: 12665189 Free article. No abstract available.