Practice-based recording as an epidemiological tool.
D002170:Canada; D004813:Epidemiology / Q000266:history*; D005060:Europe; D005194:Family Practice / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D008499:Medical Records; D008501:Medical Records, Problem-Oriented; D011320:Primary Health Care / Q000266:history*; D014481:United States