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| Hirudo medicinalis Article about the medicinal leech from Animal Diversity Web.http://animaldiversity.ummz.umich.edu/accounts/hirudo/h._medicinalis$narrative.html |
| New Scientist: Suckers for Punishment Discussion of the habits of some parasitic and predatory leeches.http://www.newscientist.com/lastword/article.jsp?id=lw455 |
| Leeches of Australia List of species, mode of reproduction, glossary, and characteristics of Bassianobdella bundabergii, a newly recognizes species that preys on earthworms.http://www-personal.monash.edu.au/~fgodevic/leech/ |
| Leeches - Hirudinea Photographs of members of representative taxa, and the equipment used in studying them.http://www.vims.edu/env/research/leeches/leechfigs.html |
| Class Hirudinea Basic introduction to the orders and families, habitat, and value as an indicator of overall ecosystem health.http://lakes.chebucto.org/ZOOBENTH/BENTHOS/xxvi.html |
| Leeches Photographs of various species from the North Pacific and the Ukraine.http://www.univer.kharkov.ua/main/dep/biology/zoology/leech.htm |
| Medicinal Leeches Interview with a doctor who uses leeches to help keep blood flowing to body parts with impaired circulation, such as newly reattached hands.http://www.muhealth.org/~news/LEECHES.shtml |
| About Leeches The history of medicinal use of leeches.http://www.frb.spb.ru/eng/leeches.htm |
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