?url_ver=Z39.88-2004&rft_id=MTMT%3A32554483+10.1186%2Fs12875-021-01608-4&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+Mohos+Andr%C3%A1s&rft.aulast=Mohos&rft.aufirst=Andr%C3%A1s&rft.date=2021&rft.volume=22&rft.title=BMC+FAMILY+PRACTICE&rft.atitle=Earning+opportunities+and+informal+payment+as+influencing+factors+in+medical+students%E2%80%99+speciality+choice&rft.issue=1&rft.issn=1471-2296&rft.genre=article