%0 Journal Article %T Perceived stress and reference ranges of hair cortisol in healthy adolescents %A Inmaculada Montoya-Castilla %A Jos¨¦ Enrique de la Rubia-Ort¨ª %A Sandra Sancho-Castillo %A Usue de la Barrera %A Vicente Prado-Gasc¨® %J Archive of "PLoS ONE". %D 2019 %R 10.1371/journal.pone.0214856 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6448926/