1. Geographical distribution of ulcerative colitis;Annotation;Brit. Med. J.,1962
2. A study of ulcerative colitis in New Zealand, showing a low incidence in Maoris;Wigley;Brit. Med. J.,1962
3. Ulcerative colitis in Negro children;Reinhart;Amer. J. Dis. Child.,1961
4. Ulcerative colitis in children;Hijmans;Pediatrics,1962
5. Chronic ulcerative colitis in a North American Indian;Bebchuk;Gastroenterology,1961