Authors: R Glaser; H Y Zhang; K T Yao; H C Zhu; F X Wang; G Y Li; D S Wen; Y P Li Journal: Proc Natl Acad Sci U S A Date: 1989-12 Impact factor: 11.205
Authors: C K Chan; N Mueller; A Evans; N L Harris; G W Comstock; E Jellum; K Magnus; N Orentreich; B F Polk; J Vogelman Journal: Cancer Causes Control Date: 1991-03 Impact factor: 2.506