Journals / Turkish Journal of Gastroenterology / 2011 / Cilt: 22 - Sayı: 1St. John’s wort (Hypericum perforatum) and warfarin: Dangerous liaisons!Oya Uygur BAYRAMİÇLİ,Mehmet Nuri KALKAY,Evrim OSKAY BOZKAYA,Evrim DOĞAN KÖSE,Özgün İYİGÜN,Mücahit GÖRÜK,GÜLBÜZ SEZGİNJournalTurkish Journal of GastroenterologyIssue2011 · Cilt: 22 - Sayı: 1Pages115–115DOI—