, Singh, R. ., Kumar, A. ., Singh, Y. ., Chaturvedi, P. ., , & Varshney, U. . (1969). Diagnostic validation of IgM and IgG ELISA and real-time PCR in detecting scrub typhus infection in endemic regions. Journal of Vector Borne Diseases, 55(2), 165-167. https://doi.org/10.4103/0972-9062.242565 (Original work published 1969)