In this case we get a result with a link to this journal at the top, but no card, as there is no registered impact factor for this journal: Be careful in your use of impact factor — a journal with an ...In this case we get a result with a link to this journal at the top, but no card, as there is no registered impact factor for this journal: Be careful in your use of impact factor — a journal with an impact factor of 10 is not necessarily better than a journal with an impact factor of 3, especially if you are dealing with a niche subject.