TY - JOUR T1 - Breakthrough pain frequency in cancer patients and the efficiency of oral transmucosal fentanyl citrate AU - Bilen, Ayşegül AU - Ali, Achmet AU - Baturay, Fulya AU - Altan, Aysel Y1 - 2010 PY - 2010 DA - 2010 N1 - doi: DO - T2 - Agri JF - Agri JO - Ağrı SP - 103 EP - 108 VL - 22 IS - 3 SN - M3 - PMID: 20865581 UR - https://dx.doi.org/ Y2 - 2010 ER -