Martins, M., Afonso, I., Portela, A. and Almeida, R. (2018) “Positive hepatitis B surface antigen after vaccination in a newborn”, NASCER E CRESCER - BIRTH AND GROWTH MEDICAL JOURNAL. Porto, Portugal, 27(2), pp. 105–107. doi: 10.25753/BirthGrowthMJ.v27.i2.10403.