The EPIC-Norfolk Study
Observational versus randomised trial evidence.
Lancet (London, England) 2004 ; 364: 753-4; author reply 754-5.
Khaw KT, Day N, Bingham S, and Wareham N
DOI : 10.1016/S0140-6736(04)16924-9
PubMed ID : 15337392
PMCID :
URL : https://linkinghub.elsevier.com/retrieve/pii/S0140673604169249
Abstract
Observational versus randomised trial evidence.