Selective transitional zone sampling approach versus random biopsy in cases with malignant liver masses: Is there any superiority? - ÇALIŞKAN, Kosti Can; ÖZGÜVEN, Banu; BUĞDACI, Mehmet Sait; ÇAKMAKCI, Emin; ORHAN, Umut Perçem; ERTÜRK, Mehmet; KARPAT, Zeki; BAŞAK, Muzaffer; SELÇUKBİRİCİK, Fatih (Turkish Journal of Gastroenterology, 2012)