Kwok YL, Gralton J, McLaws ML. Face touching: a frequent habit that has implications for hand hygiene. Am J Infect Contr 2015;43(2): 112–114. DOI: 10.1016/j.ajic.2014.10.015.
Nicas M, Best D. A study quantifying the hand-to-face contact rate and its potential application to predicting respiratory tract infection. J Occup Environ Hyg 2008;5(6):347–352. DOI: 10.1080/15459620802003896.
Lucas TL, Mustain R, Goldsby RE. Frequency of face touching with and without a mask in pediatric hematology/oncology health care professionals. Pediatr Blood Cancer 2020;67(9):e28593. DOI: 10.1002/pbc.28593.
Heinicke MR, Stiede JT, Miltenberger RG, Woods DW. Reducing risky behavior with habit reversal: a review of behavioral strategies to reduce habitual hand-to-head behaviour. J Appl Behav Anal 2020;53(3):1225–1236. DOI: 10.1002/jaba.745.
Senthilkumaran S, Arathisenthil SV, Meenakshisundaram R. Not touching the face is harder than it sounds: need for an intervention. Indian J Crit Care Med 2020;24(8):662–663.
Prochaska J, DiClemente C. Stages and processes of self-change of smoking: towards an integrated model of change. J Consult Clin Psychol 1983;51(3):390–395. DOI: 10.1037/0022-006X.51. 3.390.