Azis, A. ., A. A. S. . Sawitri, and K. T. P. . Merati. “Handwashing As a Risk Factor for Increasing Ventilator Associated Pneumonia (VAP) Incidence at Sanglah Hospital, Denpasar, 2012”. Public Health and Preventive Medicine Archive, vol. 1, no. 2, Dec. 2013, pp. 90-95, doi:10.53638/phpma.2013.v1.i2.p04.