title: Does tamoxifen prophylaxis for breast cancer provide long-term prevention?
authors.affiliation: Division of Cancer Prevention and Genetics,European Institute of Oncology, Milan, Italy.
authors.forename: Bernardo
authors.initials: B
authors.lastname: Bonanni
authors.forename: Matteo
authors.initials: M
authors.lastname: Lazzeroni
authors.forename: Umberto
authors.initials: U
authors.lastname: Veronesi