title: Breast-cancer screening with ultrasonography.
authors.affiliation: Department of Radiology, Harvard Medical School and Massachusetts General Hospital, Boston 02114, USA.
authors.forename: D B
authors.initials: DB
authors.lastname: Kopans
mesh_terms: D001943:Breast Neoplasms / Q000000981:diagnostic imaging*; D005188:False Negative Reactions; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D008327:Mammography; D008403:Mass Screening / Q000379:methods; D016217:Ultrasonography, Mammary