RT - Journal TY - JOUR A1 - Kar, P A1 - Singh, R A1 - Maurya, OPS T1 - ELISA (enzyme linked immuno sorbent assay) as a diagnostic tool in retinoblastoma YR - 1989/1/1 JF - Indian Journal of Ophthalmology JO - Indian J Ophthalmol SP - 8 OP - 9 VO - 37 IS - 1 UL - https://journals.lww.com/ijo/pages/default.aspx/article.asp?issn=0301-4738;year=1989;volume=37;issue=1;spage=8;epage=9;aulast=Kar;t=5 N2 - Estimation of retinoblastoma antigen by double antibody sandwich ELISA technique was carried out in 20 histopathologically confirmed cases of retinoblastoma, 20 cases of pseudoglioma and 20 normal cases. The method of detection was done on the lines of Voller et al. (1976) with slight modification. The number of seropositive cases was more in cases with retinoblastoma. ER -