private ReadOnlyCollection<IXPathNavigable> FindRelatedNodes()
{
var form = Form;
// We want to use the finder to build the xpath query for radio buttons
var query = form.Find<HtmlRadioButton>().BuildElementQuery() + "[@name='" + Name + "']";
var navigator = form.Node.GetNavigator();
var matchingNodes = navigator.Select(query);
var results = matchingNodes.OfType<IXPathNavigable>().ToList();
return new ReadOnlyCollection<IXPathNavigable>(results);
}