Hanond, T., Chantarasuk, Y., Puangpan, S., Waropastraku, N., Wongwajana, S., W. Sermswan, R. and Wongratanacheewin, S. 2013. Efficacy of Ion Generator Against Bacteria and Fungi. Srinagarind Medical Journal. 26, 4 (Nov. 2013), 302–308.