Sporadic implementation of UK familial mammographic surveillance guidelines 15 years after original publication

This work is published under the standard license to publish agreement. After 12 months the work will become freely available and the license terms will switch to a Creative Commons Attribution 4.0 International (CC BY 4.0).: D.G.E. is supported by the NIHR Manchester Biomedical Research centre (ISBRC-1215-20007). M.T. is supported by the NIHR Cambridge Biomedical Research centr