Kassab S, Sachdeva U, Das N, Al-Shaibani T, Nayar U. Cardiovascular Responses to Tonic Pain in REM Sleep-Deprived Rats Role of Melatonin and Beta Endorphin. Sultan Qaboos Univ Med J [Internet]. 2006Jun.1 [cited 2024May3];6(1):51-6. Available from: https://journals.squ.edu.om/index.php/squmj/article/view/1257