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For 2 months, a 29-year-old man had pain and circular, soft swelling over the anterior left knee, superficial to the patellar ligament. Pain was minimal and associated with extension and flexion. He had been employed laying floor tile for 10 years.

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Marijuana can be a valuable therapeutic tool for the nausea and vomiting that accompany chemotherapy, but it also can cause hyperemesis.


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