Authors: N A Halsey; J S Coberly; E Holt; J Coreil; P Kissinger; L H Moulton; J R Brutus; R Boulos Journal: JAMA Date: 1992-04-15 Impact factor: 56.272
Authors: L Kjellberg; G Hallmans; A M Ahren; R Johansson; F Bergman; G Wadell; T Angström; J Dillner Journal: Br J Cancer Date: 2000-04 Impact factor: 7.640