Items where Author is "Campbell, Harry"

Journal Article

Theodoratou, Evropi and Palmer, Tom and Zgaga, Lina and Farrington, Susan M and McKeigue, Paul and Din, Farhat V. N. and Tenesa, Albert and Davey-Smith, George and Dunlop, Malcolm G. and Campbell, Harry (2012) Instrumental variable estimation of the causal effect of plasma 25-hydroxy-vitamin D on colorectal cancer risk : a mendelian randomization analysis. PLoS ONE, 7 (6): e37662. ISSN 1932-6203