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[PMID 19185284] Common variation in the beta-carotene 15,15'-monooxygenase 1 gene affects circulating levels of carotenoids: a genome-wide association study.
[PMID 22113863] Single nucleotide polymorphisms upstream from the beta-carotene 15,15'-monoxygenase gene influence provitamin A conversion efficiency in female volunteers.
[PMID 23404124] Genetic determinants of macular pigments in women of the Carotenoids in Age-Related Eye Disease Study.