Hassan, D.S. and Hasary, H.J. 2022. Effects of Folic Acid and Vitamin B12 Supplementation on the Efficacy and Toxicity of Pemetrexed in the Management of Advanced Stage Non-Squamous Non-Small Cell Lung Cancer. Al-Rafidain Journal of Medical Sciences ( ISSN 2789-3219 ). 3, (Jul. 2022), 1–5. DOI:https://doi.org/10.54133/ajms.v3i.71.