Toward a 21st century health system :the contributions and promise of prepaid group practice

 Tollen, Laura A.; Enthoven, Alain C;

San Francisco : : Graffiti Pers , 2004

Skin in the game :how putting yourself first today will revolutionize health care tomorrow

 Hammergren, John.; Harkins, Philip J.;

Hoboken, N.J. : : John Wiley , 2008