(Journal Article): Changes in the quality of care delivered to Medicare beneficiaries, 1998-1999 to 2000-2001.
Jencks SF, Huff ED, Cuerdon T
IN:
JAMA
2003; 289(3):305-312
Impact Factor(s) of JAMA: 23.332 (2005), 24.831 (2004), 21.455 (2003), 17.569 (2001)