B. B. Aguilera-Elizalde, M. del R. Guillén-Núñez, A. M. Juárez-Lemus, R. Plancarte-Sánchez, D. Hernández-Rodríguez, and O. H. González-Vega, “Effectiveness of subcutaneous morphine in the treatment of pain crises in cancer patients”, J. Drug Delivery Ther., vol. 14, no. 2, pp. 158–164, Feb. 2024, doi: 10.22270/jddt.v14i2.6435.