Tian, R., Guo, Y., Zhang, X., Zhang, X. and Song, X. 2024. Clinical efficacy of Apatinib combined with Epidermal growth factor receptor - tyrosine kinase inhibitor (EGFR-TKI) in nonsmall cell lung cancer after EGFR-TKI resistance. Pakistan Journal of Medical Sciences. 40, 8 (Jul. 2024). DOI:https://doi.org/10.12669/pjms.40.8.9682.