title: [What are many and when is it enough?].
authors.forename: Erik Skaaheim
authors.initials: ES
authors.lastname: Haug
mesh_terms: D002497:Centralized Hospital Services / Q000592:standards*; D002983:Clinical Competence; D006297:Health Services Accessibility; D006801:Humans; D011787:Quality of Health Care; D013514:Surgical Procedures, Operative / Q000592:standards* / Q000706:statistics & numerical data