\name{homologSYMBOL}
\alias{homologSYMBOL}
\title{Gene symbol}
\description{
  homologSYMBOL map Entrez gene identifier to its symbol.
}
\details{
  Mappings were based on data provided by:HomoloGene (\url{ftp://ftp.ncbi.nlm.nih.gov/pub/HomoloGene/current/homologene.data}) on
  2 0 0 
}

\examples{
     # Convert to a list
     xx <- as.list(homologSYMBOL)     
     if(length(xx) > 0){
         xx[1:5]
     }
}