public RelatedArtifact setCitation(String value) { 
      if (Utilities.noString(value))
        this.citation = null;
      else {
        if (this.citation == null)
          this.citation = new StringType();
        this.citation.setValue(value);
      }
      return this;
    }
public RelatedArtifact setCitation ( String value ) { if ( Utilities . noString ( value ) ) this . citation = null ; else { if ( this . citation == null ) this . citation = new StringType ( ) ; this . citation . setValue ( value ) ; } return this ; }
@param value A bibliographic citation for the related artifact. This text SHOULD be formatted according to an accepted citation format.