RT Journal Article SR Electronic T1 An Unsafe Practice Turned Blood Donors Into Victims JF Science JO Science FD American Association for the Advancement of Science SP 1438 OP 1439 DO 10.1126/science.304.5676.1438 VO 304 IS 5676 A1 Cohen, Jon YR 2004 UL http://science.sciencemag.org/content/304/5676/1438.abstract