FAROOQ, Umar; AHMED TARIQ, Sheikh Muhammad; KHAN, Zafar Ullah; IQBAL BUTT, Muhammad Umer; QURESHI, Ahmed Masood; TAYYEB, Muhammad. Change in 4% lidocaine Instillation in the endotracheal tube (ETT) before and after surgery in patients undergoing surgery under general anesthesia. Biological and Clinical Sciences Research Journal, Lahore, PK, v. 6, n. 10, p. 14–19, 2025. DOI: 10.54112/bcsrj.v6i10.1900. Disponível em: https://bcsrj.com/ojs/index.php/bcsrj/article/view/1900. Acesso em: 25 jun. 2026.