Skarlos D-V, Dimopoulos A-M, Kosmidis P, Papakostas P, Pavlidis N, Bacoyiannis C, Kiamouris C, Klouvas G, Gogas H, Fountzilas G, et al. Docetaxel and gemcitabine combination, as first-line treatment, in patients with extensive disease small-cell lung cancer. A phase II study of the Hellenic Cooperative Oncology Group. Lung Cancer [Internet]. 2003;41(1):107 - 111.