Sajid, Khan Mohammad. “?LOCAL DEVELOPMENT OF PEG ASSISTED DOUBLE ANTIBODY T4-R-\DIOIMMUNOASSAY”. Biological Sciences - PJSIR 44, no. 6 (December 24, 2001): 365–380. Accessed May 19, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/1979.