Active living--past, present, and future: implications for the field.
Killingsworth
Richard E
RE
Office of Strategic Planning and Operations, Nemours Health and Prevention Services, Newark, Delaware 19702, USA. rkilling@nemours.org
D004779:Environment Design; D015444:Exercise; D015438:Health Behavior; D006291:Health Policy; D006293:Health Promotion / Q000379:methods / Q000458:organization & administration*; D006801:Humans; D011635:Public Health Administration