M. F. N. M Fozi, N. A. Ibrahim, and A. Azahar, “A Retrospective Observational Study on The Effect Of Intrathecal Morphine In Gynaecological Laparotomy Surgery For Post-Operative Pain Control Iat Hospital Raja Perempuan Zainab II, Kelantan”, Int. J. Hum. Health Sci., vol. 8, no. 40, p. S85, Nov. 2024.