^ Marshall BJ, Warren JR. Unidentified curved bacilli in the stomach patients with gastritis and peptic ulceration. Lancet 1984;1(8390):1311-1315. PMID 6145023.
^ Surveyor I, Goodwin CS, Mullan BP, Geelhoed E, Warren JR, Murray RN, Waters TE, Sanderson CR. The 14C-urea breath-test for the detection of gastric Campylobacter pylori infection. Med J Aust. 1989; 151(8):435-439. PMID 2593958.