RIYADH – The stem cell donation campaign organized by King Abdullah Center for Medical Research, represented by the Saudi Register for Stem Cell Donors, in cooperation with the Nursing Club at King Saud University attracted more than 600 donors in four days. The center and the club were launched with the actual inauguration of the campaign recently at a ceremony attended by the president of King Saud University, Dr. Badran Abdulrahman Al-Omar, and other university officials as well as male and female students participating in the campaign.