title: Duplication of the submandibular salivary duct.
mesh_terms: D003287:Contrast Media; D005260:Female; D006801:Humans; D008875:Middle Aged; D011859:Radiography; D013363:Submandibular Gland / Q000002:abnormalities* / Q000000981:diagnostic imaging
chemical_list: D003287:Contrast Media