Tandon, Richa, et al. “BLOOD PRESSURE PATTERN AMONG COMPUTER AND MOBILE PHONE USERS IN POPULATION AGED 13 YEARS AND ABOVE IN URBAN KANPUR”. Indian Journal of Community Health, vol. 19, no. 1, June 2007, pp. 13-18, https://www.iapsmupuk.org/journal/index.php/IJCH/article/view/119.