Macedo CR, Silva DL da, Puga ME. Methodological adequacy of articles published in two open-access Brazilian cardiology periodicals. Sao Paulo Med J [Internet]. 2010 Mar. 3 [cited 2025 Mar. 16];128(2):85-9. Available from: https://periodicosapm.emnuvens.com.br/spmj/article/view/1723