Prasopsuk, K. ., Prasopsuk, S. . and Tunruttanakul, S. (2020) “Evaluation of Hypotensive Prevention Effect of Intramuscular Glycopyrrolate in Spinal Anesthesia of Elderly TURP Patients: A Randomized Control Trial”, Siriraj Medical Journal, 72(5), pp. 380–386. doi: 10.33192/Smj.2020.51.