The figure of 1,000 donors appeared on a product label for Kryobulin Red (made with European plasma) in the mid 1970s. Linked evidence SHPL0000071_130 - Kryobulin Dried Human Antihaemophilic Fraction BP 1000 IU of Factor VIII - 23 Dec 1974 Chronology Information Date: 23 December 1974 Chapter/issue Pharmaceutical Companies