1. Impact of the 9/11 disaster on blood donations in the New York area.;Jones;Transfusion,2002
2. Recognition and retention: The evolution of September 11 blood donors and their commitment to give.;Geyer;Transfusion,2002
3. 59% return rate for 9-11 donors provides a source for permanently increasing the donor base.;Peterson;Transfusion,2002