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Harmsen, I.A., Mollema, L., Ruiter, R.A.C., Paulussen, T.G.W.M., de Melker, H.E.R., Kok, G.
Veröffentlicht in: Harmsen , I A , Mollema , L , Ruiter , R A C , Paulussen , T G W M , de Melker , H E R & Kok , G 2013 , ' Why parents refuse childhood vaccination: a qualitative study using online focus groups ' , BMC Public Health , vol. 13 , 1183 . https://doi.org/10.1186/1471-2458-13-1183;
2013
Veröffentlicht in: Harmsen , I A , Mollema , L , Ruiter , R A C , Paulussen , T G W M , de Melker , H E R & Kok , G 2013 , ' Why parents refuse childhood vaccination: a qualitative study using online focus groups ' , BMC Public Health , vol. 13 , 1183 . https://doi.org/10.1186/1471-2458-13-1183;
2013