Misclassified for Centuries, Medicinal Leeches Found to Be Three

Historical Article: Hirudo medicinalis: ancient origins of, and trends in the use of medicinal leeches throughout history - ScienceDirect

A new species of Hirudo (Annelida: Hirudinidae): historical biogeography of Eurasian medicinal leeches, BMC Zoology

Leech - Wikipedia

Leech medicine historical hi-res stock photography and images - Alamy

A new species of Hirudo (Annelida: Hirudinidae): historical biogeography of Eurasian medicinal leeches, BMC Zoology

BIO153 Course/Chapter Notes, BIO153 - Diversity of Organisms - UToronto

Leech - Wikipedia

Hirudinea Lamarck 1818: Evolutionary origin and taxonomy of the six medicinal leeches (genus Hirudo) known today

Hirudinea Lamarck 1818: Evolutionary origin and taxonomy of the six medicinal leeches (genus Hirudo) known today

PDF) New records of leeches of the genus Limnatis (Hirudinea, Praobdellidae) from the South Caucasus and Central Asia: phylogenetic relationships of Eurasian and African populations

Tracking endangered mammals with the leeches that feed on them

Are there any fruits of type hesperidium that are not in tribe Citreae? - Quora

Evidence and Science Based Medicine A Primer.pptx