Reinthaler Franz Ferdinand, Feierl Gebhard, Beubler Eckhard, Kollaritsch Herwig, Ruckenbauer Gerald, Klem Gabriele, Wendelin Ilse, Marth Egon
Institute of Hygiene, University of Graz, Austria.
J Travel Med. 2004 Jan-Feb;11(1):66-8. doi: 10.2310/7060.2004.13527.