D. Bonfim, F. M. T. Fugulin, A. M. Laus, M. Peduzzi, and R. R. Gaidzinski, “ Time standards of nursing in Primary Health Care: an observational study ”, Rev. Esc. Enferm. USP, vol. 50, no. 1, pp. 118–126, Feb. 2016, doi: 10.1590/S0080-623420160000100016.