1.
Zhou G, Gui X, Chen R, Fu X, Ji X, Ding H. Elevated serum Activin A in chronic obstructive pulmonary disease with skeletal muscle wasting. Clinics [Internet]. 2019 Jun. 28 [cited 2024 Jul. 4];74:e981. Available from: https://periodicos.usp.br/clinics/article/view/159503