Nicolau, J. S., Nakano, H. R. Y., Pitta, F. G., Lima, E. G., & Serrano Jr, C. V. (2017). Prinzmetal’s angina of difficult control. Revista De Medicina, 96(supl1), 27-27. https://doi.org/10.11606/issn.1679-9836.v96isupl1p27-27