0 Prevrhal, S. Shepherd, J. A. Smith-Bindman, R. Cummings, S. R. Kerlikowske, K. 2002 Accuracy of mammographic breast density analysis: results of formal operator training Cancer Epidemiol Biomarkers Prev 11 1389-93 12433716 Adult, Breast/*pathology/surgery, Breast Neoplasms/radiography/surgery, California, Comparative Study, Education, Female, Humans, Mammography, Odds Ratio, Radiology/education, Reproducibility of Results, Research Support, Non-U.S. Gov, , ', , t, Statistic http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=12433716