08/09/2009 05:12 am ET Updated May 25, 2011

Dr. Arnold Klein: I Donated Sperm - But Not For Michael

Michael Jackson's dermatologist has said he's not the father of the singer's children -- to the best of his knowledge. Now, in a new interview Dr. Arnold Klein admits he did once donate sperm to a sperm bank.

"I still can't answer [the paternity question] absolutely one way or another," Klein said in an interview on Larry King Live Wednesday. "I once donated sperm."

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