https://iro.uiowa.edu/esploro/outputs/doctoral/An-investigation-with-the-electron-microscope/9985152306302771
An investigation with the electron microscope of the acanthor of Macracanthorhynchus hirudinaceus -...
An investigation with the electron microscope of the acanthor of Macracanthorhynchus hirudinaceus - University of Iowa - Dissertation
an investigationelectron microscope
https://www.nal.usda.gov/exhibits/speccoll/items/show/8089?sort_field=added&sort_dir=d
Life cycle of thorn-headed worms (Macracanthorhynchus hirudinaceus) in swine diagram. Illustration...
life cycle