Wałaszek, Marta, et al. “Nurses’ Views on and Compliance With the Guidelines of Hand Hygiene, Including Nail Hygiene in a Multi-Profile Hospital in Lesser Poland Province – the Evidence for Need of Continuous Education and Training”. Nursing in the 21st Century, vol. 20, no. 3(76), Aug. 2021, pp. 180-9, https://doi.org/10.2478/pielxxiw-2021-0029.