Davis A, Mehrotra S, Holl J, Daskin MS. Nurse staffing under demand uncertainty to reduce costs and enhance patient safety. Asia Pac J Oper. 2014 Feb;31(1):1-19. doi: 10.1142/S0217595914500055
López MV, Rivero E, Serra C, Campo M, Raurich M, Bonfill X. Health survey in health care professionals in Barcelona. Arch Prev Riesgos Laborales. 1998;1(2):55-62.