title: Recertification attained through aggressive challenge.
authors: B L
authors: BL
authors: Kelly
authors: S K
authors: SK
authors: Casper
authors: B A
authors: BA
authors: Krueger
mesh_terms: D002568:Certification; D003625:Data Collection; D004282:Documentation; D009735:Nursing Homes / Q000592:standards*; D011787:Quality of Health Care; D014481:United States