Which factors help to determine the long-term response to first-line tyrosine kinase inhibitors in patients with metastatic renal cell carcinoma: A Turkish multi-centre study oleh Nargiz Majidova, Mustafa Seyyar, Demet Işık Bayraktar, Gülhan Dinç, Elfag İsgandarov, Javid Huseynov, Alper Yaşar, Abdussamet Çelebi, Nadiye Sever, Erkam Kocaaslan, Pınar Erel, Yeşim Ağyol, Ali Kaan Güren, Rukiye Arıkan, Selver Işık, Özlem Ercelep, Güzin Demirağ, Umut Kefeli, Osman Köstek, İbrahim Vedat Bayoğlu, Murat Sarı