Rodrigues, C.A.O., Martins, R.R., Cunha, E.Q. da, Lima, M. de S. and Saldanha, V. 2019. Two cases of skin hyperpigmentation induced by polymyxin B. ABCS Health Sciences. 44, 2 (Aug. 2019). DOI:https://doi.org/10.7322/abcshs.v44i2.1170.