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Miguel Layrisse

Miguel Angel Layrisse Marrero, Venezuelan nutritionist and hematologist (Caracas 06 May 1919 – Caracas 22 February 2002)

Authored over 267 scientific papers and 7 books

Discovered Diego blood factor, the first practically confined to people of Mongoloid origin

With T. Arends & R. Domíguez Sisco. Nuevo grupo sanguíneo encontrado en descendientes de indios. Acta Med. Venez. 3:132, 1955
With Z. Layrisse, E. García, J. Wilbert & J.R. Parra. New Rh phenotype, Dcceieif, found  in a Chibcha Indian tribe. Nature 191:503-4, 1961

With T. Arends, M.L. Gallango, J. Wilbert & H.D. Heinen. Albumin Warao: new type of human alloalbuminemia Blood 33(3):414-20, 1969

With Z. Layrisse, M. Pulido Rodríguez & H.D. Heinen. LD homozygous cells in the Warao population: a possible new allele at the LD1 Locus within the main histocompatibility region in man. Tissue Antigen 6(4):326-34, 2008

Described a new property of vitamin A that enhances iron absorption in foods

With M.N. García Casal, L. Solano, M.A. Barón et al. New property of vitamin A and beta-carotene on human iron absorption: effect on phytate and polyphenols as inhibitors of iron absorption. Arch. Latinoam. Nutr. 50(3):243-8, 2000


Ferroivic, an iron compound (1993)

Hematalaco, an automatic device for blood transfusion in newborn babies (1965)