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New details emerge about doctor, source in HGH allegation about Peyton Manning

More than four days after a report alleging to link Broncos quarterback Peyton Manning and his wife, Ashley, to human growth hormone (HGH) was published, new details about the report's primary source and the doctor who treated Manning in 2011 have come to light.

In al-Jazeera's undercover investigation, " The Dark Side," Charles David Sly, a man labeled as a pharmacist, was filmed saying HGH was shipped from The Guyer Institute in Indianapolis to Ashley Manning "all the time, everywhere, Florida. And it would never be under Peyton's name. It would always be under her name.