by van de Bildt, M. W. G., van Bolhuis, G. H., van Zijderveld, F., van Riel, D., Drees, J. M., Osterhaus, A. D. M. E., Kuiken, T.
Published in Journal of wildlife diseases (01.10.2006)

by Drees, Mandi J, Mack, Mick G
Published in Journal of sport behavior (01.12.2012)

by Knegtering, Edo, Drees, J Marijke, Geertsema, Paul, Huitema, Hans J, Uiterkamp, Anton J M Schoot
Published in Environmental management (New York) (01.12.2005)

by Wallage-Drees, J.M. (Leiden Univ. (Netherlands). Dept. of Population Biology)
Published in Zeitschrift für Säugetierkunde (01.02.1989)