Elevated serum Activin A in chronic obstructive pulmonary disease with skeletal muscle wasting. Clinics, [S. l.], v. 74, p. e981, 2019. DOI: 10.6061/clinics/2019/e981. Disponível em: https://journals.usp.br/clinics/article/view/159503.. Acesso em: 1 jun. 2024.