Azis, A. ., Sawitri, A. A. S. . and Merati, K. T. P. . (2013) “Handwashing as a risk factor for increasing ventilator associated pneumonia (VAP) incidence at Sanglah Hospital, Denpasar, 2012”, Public Health and Preventive Medicine Archive, 1(2), pp. 90–95. doi: 10.53638/phpma.2013.v1.i2.p04.