Citation Select	Key TJ, Fraser GE, Thorogood M, Appleby PN, Beral V, Reeves G, Burr ML, Chang-Claude J, Frentzel-Beyme R, Kuzma JW, Mann J, McPherson K Mortality in vegetarians and non-vegetarians: a collaborative analysis of 8300 deaths among 76,000 men and women in five prospective studies. Public Health Nutr. 1998 Mar;1(1):33-41
Citation Select	Key TJ, Thorogood M, Appleby PN, Burr ML Dietary habits and mortality in 11,000 vegetarians and health conscious people: results of a 17 year follow up BMJ. 1996 Sep 28;313(7060):775-9
Citation Select	Thorogood M, Mann J, Appleby P, McPherson K Risk of death from cancer and ischaemic heart disease in meat and non-meat eaters BMJ. 1994 Jun 25;308(6945):1667-70
Citation Select	Chang-Claude J, Frentzel-Beyme R, Eilber U Mortality pattern of German vegetarians after 11 years of follow-up Epidemiology. 1992 Sep;3(5):395-401
Citation Select	Kjeldsen-Kragh J, Haugen M, Borchgrevink CF, Laerum E, Eek M, Mowinkel P, Hovi K, Forre O Controlled trial of fasting and one-year vegetarian diet in rheumatoid arthritis Lancet. 1991 Oct 12;338(8772):899-902