title: The increasingly complex world of cancer patient advocacy organizations.
authors: Maurie
authors: M
authors: Markman
mesh_terms: D006801:Humans; D008119:Lobbying; D009369:Neoplasms / Q000191:economics*; D010344:Patient Advocacy / Q000191:economics / Q000331:legislation & jurisprudence*; D012109:Research Support as Topic