Dr. Faheem Ahmad Patloo, Dr. Mustafa Kamal, Dr. Ambreen Qureshi, Dr. Mehnaz Habib, and Dr. Shaiqa Manzoor. “EFFICACY OF ULTRASOUND-GUIDED OBLIQUE SUBCOSTAL TRANSVERSUS ABDOMINIS PLANE BLOCK (OSTAP BLOCK) WITH ROPIVACAINE FOR POSTOPERATIVE ANALGESIA IN LAPAROSCOPIC CHOLECYSTECTOMY – A PROSPECTIVE OBSERVATIONAL STUDY”. Journal of Population Therapeutics and Clinical Pharmacology 31, no. 9 (September 10, 2024): 623–631. Accessed October 10, 2025. https://jptcp.com/index.php/jptcp/article/view/7819.