Vrankar, Martina, et al. “Induction Gemcitabine in Standard Dose or Prolonged Low-Dose With Cisplatin Followed by Concurrent Radiochemotherapy in Locally Advanced Non-Small Cell Lung Cancer: A Randomized Phase II Clinical Trial”. Radiology and Oncology, vol. 48, no. 4, Oct. 2014, https://radioloncol.com/index.php/ro/article/view/2138.