Back to basics.
Waurzyniak
T R
TR
North Flight EMS, Traverse City, MI, USA.
D000009:Abdominal Muscles / Q000503:physiopathology; D019567:Back Injuries; D004032:Diet; D004634:Emergency Medical Technicians; D015444:Exercise; D006801:Humans; D017770:Lifting; D016272:Occupational Health; D010809:Physical Fitness; D014481:United States / Q000453:epidemiology; D014947:Wounds and Injuries / Q000453:epidemiology* / Q000503:physiopathology / Q000517:prevention & control