Kechedzhyiev, V. V. “Prognostic Value of Activin A Level in Patients With Advanced Lung Cancer and Sarcopenia”. Current issues in pharmacy and medicine: science and practice 17, no. 1 (February 23, 2024): 44–47. Accessed July 25, 2024. http://pharmed.zsmu.edu.ua/article/view/293093.