Jawad Zahir, Muhammad Shafiq, Muhammad Salman Maqbool, Muhammad Nadeem Khan. Nitrous Oxide in Oxygen and Air in Oxygen for Perioperative Analgesia : A Comparative study. JRMC [Internet]. 2008 Dec. 30 [cited 2024 May 5];12(2). Available from: http://journalrmc.com/index.php/JRMC/article/view/748