Ashok, A. ., Kunoor, A., Rajeev, M., Melepurakkal, S. ., Aravind Mohankumar Syamala, Venugopal, S. ., Vishnu Gopalakrishnan, & Tajik Muhammed Shafi. (2022). Knowledge, practice, and barriers of optimal mask usage among general public – A cross-sectional study from Kerala, South India. Asian Journal of Medical Sciences, 13(12), 11–16. https://doi.org/10.3126/ajms.v13i12.46262