https://answersingenesis.org/birds/three-without-a-leg-to-stand-on/
Three: Without a Leg to Stand On | Answers in Genesis
Birds are vastly different from dinosaurs. How could one come from the other?
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https://www.scienceblogs.com/whitecoatunderground/2010/04/08/preventing-diabetic-amputation
Diabetic foot disease: HuffPo hasn't a leg to stand on | ScienceBlogs
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