The complement fixation, haemagglutination and precipitin tests in monkeys with silicotic lesions Author: Palmhert H, Webster I. Source: Med del Lav. 1962; 53:1-4. Babalwa Jekwa2019-04-12T12:22:20+02:00Dec 31st, 1962| Share This Page, Choose Your Platform! FacebookTwitterLinkedInWhatsappEmail