de Oliveira Alves, Weverton, et al. “Blood Type Evaluation in Breast Cancer Patients at an Oncology Center in Agreste Pernambucano: DOI: 10.15343 0104-7809.202044565571”. O Mundo Da Saúde, vol. 44, Oct. 2020, pp. 565-71, https://revistamundodasaude.emnuvens.com.br/mundodasaude/article/view/992.