Yamaguti, H.Y. et al. 2008. Knowledge about varicella by first year healthcare students in State University of Londrina and verification of the presence of varicella scars in the students. Semina: Ciências Biológicas e da Saúde. 29, 1 (Jul. 2008), 3–8. DOI:https://doi.org/10.5433/1679-0367.2008v29n1p3.