Bala, Renu, and Arnab Banerjee. 2019. “A Study on Ultrasonographic Measurement of Optic Nerve Sheath Diameter for Detecting Raised Intracranial Pressure in Intensive Care Unit Patients”. Anaesthesia, Pain & Intensive Care 21 (4), 432-37. https://mail.apicareonline.com/index.php/APIC/article/view/88.