title: Changing paradigms in the treatment of hormone-receptor positive advanced breast cancer.
authors.affiliation: a Medical School , University of Turin , Turin , Italy.
authors.forename: Roberto
authors.initials: R
authors.lastname: Filippi
authors.affiliation: b Investigative Clinical Oncology , Fondazione del Piemonte per l'Oncologia (FPO) Candiolo Cancer Institute (IRCCS) , Candiolo , Italy.
authors.forename: Filippo
authors.initials: F
authors.lastname: Montemurro
keywords: Breast cancer; CDK 4/6; endocrine therapy; palbociclib; resistance