Gonçalves, G, H R De Andrade, and F Cutts. 1998. “Anti-Measles Igg Concentration in Maternal Blood and in Umbilical Cord Blood: According to the mother’s Vaccination Status”. Acta Médica Portuguesa 11 (10). Lisbon, Portugal:847-53. https://doi.org/10.20344/amp.2335.