title: Four proficiency levels for critical care skills certification.
authors.forename: N
authors.initials: N
authors.lastname: Cash
authors.forename: L
authors.initials: L
authors.lastname: Staul
mesh_terms: D002568:Certification; D002983:Clinical Competence; D003422:Critical Care; D004506:Education, Nursing; D006801:Humans; D009718:Nurse Administrators; D009736:Nursing Process; D011231:Preceptorship