Isolation and purification of bio polymers by affinity chromatography 1. new highly effective biospecific adsorbents for the affinity chromatography of poly adenylic acid containing messenger rna Klyashchitskii, B.A.; Koroleva, G.E.; Mitina, V.Kh; Alekhina, R.P.; Zborovskaya, I.V.; Likhtenshtein, A.V. Soviet Journal of Bioorganic Chemistry 5(1): 70-77 1979 https://eurekamag.com/research/028/596/028596788.php