The EPIC-Norfolk Study

 

Physical activity and mammographic breast density in the EPIC-Norfolk cohort study.

Peters TM, Ekelund U, Leitzmann M, Easton D, Warren R, Luben R, Bingham S, Khaw KT, and Wareham NJ

American Journal of Epidemiology. Dec 2007

(DOI : 10.1093/aje/kwm350)

---