?url_ver=Z39.88-2004&rft_id=doi%3A10.1111%2Fpapt.12327&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Barrio%E2%80%90Mart%C3%ADnez%2C+Sara&rft.aulast=Barrio%E2%80%90Mart%C3%ADnez&rft.aufirst=Sara&rft.volume=94&rft.issn=1476-0835&rft.title=Psychology+and+Psychotherapy%3A+Theory%2C+Research+and+Practice&rft.date=Mayo+2021&rft.atitle=Factors+differentiating+panic+disorder+with+and+without+comorbid+symptoms+of+depression&rft.pages=523-540&rft.issue=3&rft.genre=article