Soluble transferrin receptor level: a new marker of iron deficiency anemia, a common manifestation of gastric autoimmunity in type 1 diabetes24, De Block, C.E., Van Campenhout C., De Leeuw Ilse, Keenoy B., Martin M., Van Hoof V., and Van Gaal L. , Diabetes Care, 0/9/2000, Volume 23, Issue 9, Number 1388, p.1384 - 1388, (2000)