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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Donovan bodies are seen in
assistant
The correct answer is  Klebsiella (formerly Calymmatobacterium) granulomatis, the causative agent of this hard, granulomatous, proliferating lesionHistologic demonstration of intracellular "Donovan bodies" in biopsy material most frequently suppos the clinical impression. Jawetz 27e pg: 761