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A: box plot showing levels of urinary NO metabolites by genotype at rs372271081 in preterm infants following treatment with inhaled nitric oxide at 5 ppm. B: frequency of rs372271081 in populations from the Phase 3 1000 Genomes Project. A and G, alleles; AFR, African; AMR, Admixed American; EAS, East Asian; EUR, European; SAS, South Asian.
