Predicting distant recurrence in receptor-positive breast cancer patients with limited clinicopathological risk: using the PAM50 Risk of Recurrence score in 1478 postmenopausal patients of the ABCSG-8 trial treated with adjuvant endocrine therapy aloneMichael Gnant, Torsten O. Nielsen, Richard Greil et al.|Annals of Oncology|2013Cited by 403