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Copyright 2004 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.2004
Photographer: Stanley Martin Cohen, MD, Chicago, Ill. Close-up photograph of cactus needles, Saguaro National Park, Arizona.
Cactus needles. Arch Intern Med. 2004;164(8):819. doi:10.1001/archinte.164.8.819
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