Zocht je misschien: reported, preventie, preventieve, report?
Self-initiated dietary changes reduce general somatic and mental symptoms in a relatively healthy Dutch population
Willems, A.E.M. (Onderzoeker); Sura-de Jong, M. (Lector); Beek, A.P.; Dijk, G.
Non-response and external validity in a school-based quasi-experimental study 'The Healthy Primary School of the Future'
Esther Boudewijns; J.J.S. Pepels; Dave Van Kann; Kevin Konings; Onno van Schayck; Maartje Willeboordse