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Cricket frogs (Acris crepitans) from several different sites in Illinois were collected to assess the effects of environmental contamination on the prevalence of intersex gonads. Of 341 frogs collected in 1993, 1994, and 1995, 2.7% were intersex individuals. There was no statistically significant relationship between the chemical compounds detected and(More)
A 1-year-old mixed breed heifer was presented to the Veterinary Medical Teaching Hospital at the University of Illinois with a 3-day history of abnormal mentation and aggressive behavior. Based on the history and clinical examination, euthanasia and necropsy were recommended. The differential diagnosis included rabies, pseudorabies, and a brain abscess. The(More)
Fixation and staining of planaria can affect the interpretation of histopathological changes following their exposure to various agents. We assessed several fixation protocols with various stains in planaria to determine an optimal combination. Planaria were fixed in each of the following: 10% neutral buffered formalin, 2.5%, glutaraldehyde, Bouin's,(More)
In cardiopulmonary bypass surgery, it is beneficial to avoid the use of a heart-lung machine and perform beating heart surgery instead. This is a difficult task even for the most skilled surgeons. To eliminate the risks associated with cardio-pulmonary bypass on a beating heart, a motion compensation system can be used. We place markers on the heart(More)
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