TI - Effect of Astragalus Membranaceus on Patients with Metastatic Non-Small Cell Lung Cancer: A Retrospective Cohort Study AU - AK, N. AU - ÇİFTÇİ, R. AU - CABIOĞLU, N. AU - AYDINER, A. SO - Turk J Oncol 2021;36:215-221. DO - 10.5505/tjo.2021.2601