The National Center for Biotechnology Information (NCBI) is located in Bethesda, Maryland and was founded in 1988. The NCBI houses genomesequencing data and an index of biomedical research articles, as well as other information relevant to biotechnology.
... from 45 to 64, and 16.9% who are 65 years of age or older. The median age is 39 years. For every 100 females there are 113.3 males. For every 100 females age 18 and ...