Habib, I. H., Rizk, M. S., Sultan, M., Mohamed, D., & Tony, R. M. (2019). Square-wave voltammetric determination of drospirenone and ethinylestradiol in pharmaceutical dosage form using square wave technique. European Journal of Chemistry, 10(4), 305–316. https://doi.org/10.5155/eurjchem.10.4.305-316.1901