title: Diagnostic difficulties in the classification and grading of salivary gland tumors.
authors.affiliation: Departments of Pathology, and Otolaryngology/Head and Neck Surgery, Johns Hopkins Medical Institutions, Baltimore, MD 21231, USA. wwestra@jhmi.edu
authors.forename: William H
authors.initials: WH
authors.lastname: Westra
mesh_terms: D044963:Biopsy, Fine-Needle; D005629:Frozen Sections; D006801:Humans; D007150:Immunohistochemistry; D012468:Salivary Gland Neoplasms / Q000145:classification / Q000473:pathology*; D012469:Salivary Glands / Q000473:pathology*