@article{Gellert2019,
author = {Gellert, Paul and Bethke, Norma and Seybold, Joachim},
year = {2019},
language = {eng},
copyright = {https://creativecommons.org/licenses/by-nc/4.0/},
title = {School-based educational and on-site vaccination intervention among adolescents: study protocol of a cluster randomised controlled trial},
volume = {9},
url = "http://dx.doi.org/10.17169/refubium-2683",
}