A. Gómez Garrido, J. M. León Rubio, M. D. C. Duran Perez, M. López Mora, A. M. Carrasco Gonzalez, and P. Moreno Barroso, “Evaluation of perceived stress among hospital staff with respect to group and organisational factors”, Apunt. Psic., vol. 9, no. 32, pp. 30–32, Mar. 1991, doi: 10.55414/149rn725.