The Genitourinary Pathology Society Update on Classification and Grading of Flat and Papillary Urothelial Neoplasia With New Reporting Recommendations and Approach to Lesions With Mixed and Early Patterns of NeoplasiaMahul B. Amin, Victor E. Reuter, Jonathan I. Epstein et al.|Advances in Anatomic Pathology|2021Cited by 45