title: Light source.
mesh_terms: D001943:Breast Neoplasms / Q000266:history / Q000473:pathology; D005060:Europe; D005260:Female; D049673:History, 20th Century; D006801:Humans; D009316:National Institutes of Health (U.S.); D010336:Pathology / Q000266:history*; D014481:United States