R. H., N. B. P., S. Karanam, S. Yellinedi, and S. B. P. S., “Reevaluation of baseline Widal titres in children: a cross-sectional survey of 250 children (1-15 years) in and around Davangere, Karnataka, India”, Int J Contemp Pediatr, vol. 3, no. 2, pp. 575–578, Dec. 2016.