Bi-weekly irinotecan is an effective and convenient regimen in the treatment of relapsed or refractory small cell lung cancer oleh Feride Yılmaz, Serkan Yaşar, Ömer Denizhan Tatar, Hasan Çağrı Yıldırım, Deniz Can Güven, Arif Akyıldız, Elvin Chalabiyev, Burak Yasin Aktaş, Zafer Arık, Mustafa Erman