Organ harvesting from Falun Gong practitioners in China must be taken from a living donor (kidneys must be transplanted within 24–48 hours; livers within 12 hours, and hearts within 8 hours). Kirk C. Allison, Associate Director of the Program in Human Rights and Medicine at the University of Minnesota, wrote that the "short time frame of an on-demand system [as in China] requires a large pool of donors pre-typed for blood group and HLA matching," which is consistent with reports of Falun Gong prisoners having blood and tissue tested in custody. He wrote that China's short organ wait times could not be assured on a “random death” basis,
Blood is thicker than water der Glîchezære. The 13th-century Heidelberg manuscript reads in part, "ouch hoer ich sagen, das sippe blůt von wazzere niht verdirbet" (lines 265-266). In English it reads, "I also hear it said, kin-blood is not spoiled by water." which may in part refer to distance not changing familial ties or duties, due to the high seas being tamed. In 1412, the English priest John Lydgate observed in "Troy Book", "For naturally blood will be of kind / Drawn-to blood, where he may it find." By 1670, the modern version was included in John Ray's collected "Proverbs", and later appeared in Sir