Hiremath , R. N., Kotwal , A., Kunte , R., Hiremath , S. V. and Venkatesh (2012) “Hand Washing with Soap: The Most Effective ‘Do-It-Yourself’ Vaccine?”, National Journal of Community Medicine, 3(03), pp. 551–554. Available at: https://njcmindia.com/index.php/file/article/view/1763 (Accessed: 25 April 2024).