title: How many therapeutic options are there for recurrent or metastatic salivary duct carcinoma?
authors.forename: Laura D
authors.initials: LD
authors.lastname: Locati
authors.forename: Paolo
authors.initials: P
authors.lastname: Bossi
authors.forename: Lisa
authors.initials: L
authors.lastname: Licitra
mesh_terms: D006801:Humans; D008297:Male; D047428:Protein Kinase Inhibitors / Q000627:therapeutic use*; D018987:Salivary Ducts; D012468:Salivary Gland Neoplasms / Q000188:drug therapy*; D020123:Sirolimus / Q000031:analogs & derivatives*; D012878:Skin Neoplasms / Q000188:drug therapy* / Q000556:secondary*
chemical_list: D047428:Protein Kinase Inhibitors; D020123:Sirolimus