The National Institutes of Health presents a conference on human gene therapy: December 4-6, 1991, Masur Auditorium, National Institutes of Health, Bethesda, Maryland
Three X-shaped chromosomes are lined up next to a human figure. A red bar is being removed from the first chromosome, a green bar is being inserted into the empty space in the second chromosome, and the third chromosome, with green bar in place, has an arrow pointing to the human figure.
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