Gal, P. (2009). Patent Ductus Arteriosus: Indomethacin, Ibuprofen, Surgery, or No Treatment at All? Pediatric Pharmacy Advocacy Group.
Chicago Style aipamenaGal, Peter. Patent Ductus Arteriosus: Indomethacin, Ibuprofen, Surgery, or No Treatment At All? Pediatric Pharmacy Advocacy Group, 2009.
MLA aipamenaGal, Peter. Patent Ductus Arteriosus: Indomethacin, Ibuprofen, Surgery, or No Treatment At All? Pediatric Pharmacy Advocacy Group, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.