Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleNonverbal closed loop communication during COVID-19 pandemic - Proposal of four tick technique.AuthorsVijayakumar, Vinodhadevi; Srinivasan, Omprakash; Ganesamoorthi, Arimanickam; Vijayakumar, NaveenkumarPublicationIndian Journal of Public Health, 2021, Vol 65, Issue 3, p315ISSN0019-557XPublication typejournal articleDOI10.4103/ijph.IJPH_106_21