Longterm oral administration of probucol [4,4’-(Isopropylidenedithio) bis (2,6-di-t-Butylphenol)] (DH-581) in the management of hypercholesterolemia - Harris, R S; Gilmore, H R; Bricker, L A; Kiem, I M; Rubin, E (J Am Geriatr Soc, 1974)