title: National guideline clearinghouse: extensive resource underused.
authors: D
authors: D
authors: Lewis
mesh_terms: D001291:Attitude of Health Personnel; D016208:Databases, Factual / Q000706:statistics & numerical data*; D006801:Humans; D007253:Information Centers / Q000706:statistics & numerical data*; D007255:Information Services; D020407:Internet / Q000706:statistics & numerical data*; D010820:Physicians / Q000523:psychology; D017410:Practice Guidelines as Topic; D014481:United States