title: Critical care nurse practitioners: evolution of the advanced practice role.
authors.forename: W R
authors.initials: WR
authors.lastname: Waugaman
authors.forename: B
authors.initials: B
authors.lastname: Gipe
mesh_terms: D002568:Certification; D003422:Critical Care; D006801:Humans; D009719:Nurse Anesthetists / Q000193:education / Q000639:trends; D009722:Nurse Practitioners / Q000639:trends; D014481:United States