Xiaoqi Lin & Longwen Chen 
Urinary System: Cytology, Histology, Cystoscopy, and Radiology [EPUB ebook] 

Dr. Ritu Nayar, is a Professor and Vice-Chair of Pathology and Director of Cytopathology at Northwestern University, Feinberg School of Medicine in Chicago, Illinois. A past president of the American Society of Cytopathology (ASC), a member of the executive council of the International Academy of Cytology (IAC), and a trustee for the American Board of Pathology (ABP), Dr. Nayar has published over 170 journal articles and book chapters, and edited seven books.