Regular expression-based Perl Parser for NCBI Entrez Gene

Bio::ASN1::EntrezGene is a regular expression-based Perl Parser for NCBI
Entrez Gene genome databases
(http://www.ncbi.nih.gov/entrez/query.fcgi?db=gene). It parses an ASN.1-
formatted Entrez Gene record and returns a data structure that contains all
data items from the gene record.