Wendt, JanineSchmidt, Martina F.König, JochemPatzlaff, RainerHuss, MichaelUrschitz, Michael S.2018-12-192018-12-192018https://openscience.ub.uni-mainz.de/handle/20.500.12030/258engCC-BY-NC-4.0https://creativecommons.org/licenses/by-nc/4.0/610 Medizin610 Medical sciencesYoung age at school entry and attention-deficit hyperactivity disorder-related symptoms during primary school : results of a prospective cohort study conducted at German Rudolf Steiner schoolsZeitschriftenaufsatzurn:nbn:de:hebis:77-publ-587126