Vascular control is studied in an intact hind extremity of an anesthetized experimental animal. After a normal control period, the blood flow to the extremity is completely occluded
A 4-month-old boy is brought to the emergency department 30 minutes after becoming unresponsive. He has a 1-day history of poor breast-feeding and vomiting. He is unresponsive to
A patient being treated with clindamycin for aspiration pneumonia develops diarrhea. The stool contains a toxin that kills cultured epithelial cells. Stool culture grows an anaerobic gram-positive rod.
A 55-year-old man who has alcoholic cirrhosis is brought to the emergency department because he has been vomiting blood for 2 hours. He has a 2-month history of
DRACO is the acronym for Double-stranded RNA (dsRNA) Activated Caspase Oligomerizer which selectively induces apoptosis in cells containing viral dsRNA, thereby rapidly eliminating infected cells without affecting uninfected
Three weeks after traveling to California to study desert flowers, a 32-year-old man develops a fever, chest pain, and sore muscles. Two days later, red tender nodules appear
A 42-year-old woman, gravida 2, para 2, comes for a routine examination. She has type 2 diabetes mellitus well controlled with glyburide. She has a history of vulvar
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