APA
Uygur Bayramıçlı O., Kalkay M. N., Oskay Bozkaya E., Doğan Köse E., Iyıgün O., Görük M. & Sezgın G. (20110823). St. John's wort (Hypericum perforatum) and warfarin: Dangerous liaisons!. : The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology.
Chicago
Uygur Bayramıçlı Oya, Kalkay Mehmet Nuri, Oskay Bozkaya Evrim, Doğan Köse Evrim, Iyıgün Ozgün, Görük Mücahit and Sezgın Gülbüz. 20110823. St. John's wort (Hypericum perforatum) and warfarin: Dangerous liaisons!. : The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology.
Harvard
Uygur Bayramıçlı O., Kalkay M. N., Oskay Bozkaya E., Doğan Köse E., Iyıgün O., Görük M. and Sezgın G. (20110823). St. John's wort (Hypericum perforatum) and warfarin: Dangerous liaisons!. : The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology.
MLA
Uygur Bayramıçlı Oya, Kalkay Mehmet Nuri, Oskay Bozkaya Evrim, Doğan Köse Evrim, Iyıgün Ozgün, Görük Mücahit and Sezgın Gülbüz. St. John's wort (Hypericum perforatum) and warfarin: Dangerous liaisons!. : The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology. 20110823.