Diet and body mass index in 38000 EPIC-Oxford meat-eaters, fish-eaters, vegetarians and vegans.
Int J Obes Relat Metab Disord. 2003 Jun;27(6):728-34. doi: 10.1038/sj.ijo.0802300.
Int J Obes Relat Metab Disord. 2003.
PMID: 12833118