Hemispherx Biopharma to Host Investor Conference Call

PHILADELPHIA, April 7, 2008 (PRIME NEWSWIRE) -- Hemispherx Biopharma, Inc. (AMEX:HEB) today announced that it has scheduled an investor conference call and webcast to take place on Wednesday, April 9, 2008 at 10:00 a.m. EDT.
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