TY - JOUR TI - Pembrolizumab versus nivolumab as second and further line treatment in non-small cell lung cancer; a retrospective single-centre study AU - Mitsogianni, Maria AU - Vassos, Dimitrios AU - Kotteas, Ilias and AU - Patriarcheas, Vasileios AU - Vassias, Antonios AU - Stournara, Lamprini AU - and Tourkantonis, Ioannis AU - Stefanou, Dimitra AU - Charpidou, Andriani AU - and Syrigos, Konstantinos JO - The European respiratory journal PY - 2020 VL - 56 TODO - 64 SP - null PB - EUROPEAN RESPIRATORY SOC JOURNALS LTD SN - null TODO - 10.1183/13993003.congress-2020.1692 TODO - Lung cancer - management; Adults; Systemic effect TODO - null ER -