Oxygen free radical scavenger enzyme polymorphisms in systemic sclerosis Author: Tikly M, Marshall SE, Haldar NA, Gulumian M, Wordsworth P, Welsh KI. Source: Free Radic Biol Med. 2004,36:1403-1407. Babalwa Jekwa2019-04-04T13:48:52+02:00Dec 31st, 2004| Share This Page, Choose Your Platform! FacebookTwitterLinkedInWhatsappEmail