Policy research: using evidence to improve healthcare delivery systems.
Ross
Joseph S
JS
Department of Geriatrics, Mount Sinai School of Medicine, One Gustave L. Levy Place, Box 1070, New York, NY 10029, USA. joseph.ross@mssm.edu
Gross
Cary P
CP
D006291:Health Policy / Q000639:trends*; D006801:Humans; D011050:Policy Making; D012107:Research Design