Malas, O., and M.-D. Tolsá. “The COVID-19 Pandemic and the Obsessive-Compulsive Phenomena, in the General Population and Among OCD Patients: A Systematic Review”. European Journal of Mental Health, vol. 17, no. 2, Oct. 2022, pp. 132-48, doi:10.5708/EJMH.17.2022.2.13.