O. I. Slabiak, I. M. Ivanchuk, L. Y. Klimenko, and I. S. Kolisnyk, “Development and validation of HPLC/UV-procedures of efavirenz determination in biological fluids”, J. Org. Pharm. Chem., vol. 17, no. 1(65), pp. 48–57, Mar. 2019.