Rizk, M., El-Alamin, M. M. A., & Moawad, M. I. (2018). Development and validation of second derivative and synchronous spectrofluorimetric methods for determination of oxytocin and ergometrine maleate in their combined formulation. European Journal of Chemistry, 9(3), 241–250. https://doi.org/10.5155/eurjchem.9.3.241-250.1724