Parra, J., Astudillo, D., Parra, P. and Sempértegui, F. 2013. Effect of zinc supplements on the incidence of caries and on the concentration of salivary A immunoglobulins in short stature school children. Maskana. 4, 1 (Jun. 2013), 29–39. DOI:https://doi.org/10.18537/mskn.04.01.03.