Defined in file gbseq.asn C++ class: CGBReference GBReference ::= SEQUENCE { reference VisibleString , position VisibleString OPTIONAL , authors SEQUENCE OF GBAuthor OPTIONAL , consortium VisibleString OPTIONAL , title VisibleString OPTIONAL , journal VisibleString , xref SEQUENCE OF GBXref OPTIONAL , pubmed INTEGER OPTIONAL , remark VisibleString OPTIONAL }