Development of Ki-67 rapid immunocytochemistry and its evaluation in intraoperative squash smear diagnosis of central nervous system gliomas: Study protocol for a prospective and observational study. - Kalale, Jenika Ramkishan; Mukhopadhyay, Sramana; Yadav, Shakti Kumar; Tandon, Ashwani; Walke, Vaishali; Agrawal, Amit (Journal of Neurosciences in Rural Practice, 2026)