Easy does it.
Leib & Leib Inc., Los Angeles, USA. roger@rogerleib.com
Roger
R
Leib
Martin
M
Cohen
D019567:Back Injuries / Q000517:prevention & control; D004059:Diffusion of Innovation; D017408:Guidelines as Topic; D006749:Hospital Design and Construction; D006801:Humans; D055805:Moving and Lifting Patients; D009741:Nursing Staff, Hospital; D016273:Occupational Exposure