Pedroso, Rosa, Carla Freitas, Cristiana Nunes, y Marlene Rodrigues. 2015. «Breastfeeding: Non-Pharmacological Technique for NB and Infants in Painful Procedures». Revista INFAD De Psicología. International Journal of Developmental and Educational Psychology. 1 (1):41-52. https://doi.org/10.17060/ijodaep.2015.n1.v1.23.