?url_ver=Z39.88-2004&rft_id=MTMT%3A35186557+10.24193%2Fsubbmusica.2018.2.05&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+Altorjay+Tam%C3%A1s&rft.aulast=Altorjay&rft.aufirst=Tam%C3%A1s&rft.date=2018&rft.title=STUDIA+UNIVERSITATIS+BABES-BOLYAI+SERIES+MUSICA&rft.atitle=The+Effect+of+Pregnancy+on+the+Singing+Voice&rft.pages=47-56&rft.volume=63&rft.issue=2&rft.issn=1844-4369&rft.genre=article