title: Re: Certificate of need regulations and the diffusion of intensity-modulated radiotherapy.
authors.forename: David F
authors.initials: DF
authors.lastname: Penson
mesh_terms: D002567:Certificate of Need / Q000331:legislation & jurisprudence*; D006801:Humans; D008297:Male; D011471:Prostatic Neoplasms / Q000532:radiotherapy*; D050397:Radiotherapy, Intensity-Modulated / Q000706:statistics & numerical data*