title: Putting practice into research: a 20-year perspective.
authors.affiliation: Center for Policy Studies in Family Practice and Primary Care, Washington, DC, USA. lgreen@aafp.org
authors.forename: L A
authors.initials: LA
authors.lastname: Green
mesh_terms: D005194:Family Practice / Q000706:statistics & numerical data*; D006801:Humans; D012106:Research / Q000458:organization & administration / Q000706:statistics & numerical data*; D018571:Sentinel Surveillance; D014481:United States