Duque, M., Lopes, J., Ribeiro, S. and Araújo, I. (2017) “Lumbar tattoo and labour analgesia: a case of surgical approach”, NASCER E CRESCER - BIRTH AND GROWTH MEDICAL JOURNAL. Porto, Portugal, 26(4), pp. 255–257. doi: 10.25753/BirthGrowthMJ.v26.i4.9826.