METHODS : Two microsatellites , 1 insertion/deletion , and 8 single nucleotide polymorphisms ( SNPs ) in the regulatory region of iNOS were genotyped in 200 POAG patients and 200 age-matched controls .
O O O O O O O O O O O O O O O O O O O O O B-GeneOrGeneProduct O O O O B-DiseaseOrPhenotypicFeature B-OrganismTaxon O O O O O