http://www.lib.uiowa.edu/hardin/md/tropical.html
http://www.cdfound.to.it/html/atlas.htm#atlas
http://www.udel.edu/medtech/dlehman/medt372/images.html
http://ucdnema.ucdavis.edu/imagemap/nemmap
http://www.dpd.cdc.gov/dpdx/HTML/Schistosomiasis.htm
www.icp.ucl.ac.be/~opperd/parasites
http://www.atlas.or.kr /
http://pathmicro.med.sc.edu/book/parasit-sta.htm
http://vein.library.usyd.edu.au/links/parasitology.html
