title: Grassroots, grasstops, and... Astroturf?
authors: State Affairs, Division of Advocacy and Health Policy, USA.
authors: Melinda
authors: M
authors: Baker
mesh_terms: D006265:Health Care Coalitions; D006801:Humans; D008119:Lobbying; D011057:Politics; D012955:Societies, Medical; D014481:United States