title: Pressure ulcer guidelines on performing prevalence and incidence studies presented.
mesh_terms: D015340:Epidemiologic Research Design; D006801:Humans; D007391:International Cooperation; D011159:Population Surveillance / Q000379:methods*; D017410:Practice Guidelines as Topic; D003668:Pressure Ulcer / Q000453:epidemiology / Q000517:prevention & control*; D014481:United States