Joensuu, Greetta, Timo Joensuu, Nina Nupponen, Mirja Ruutu, Juhani Collan, Sari Pesonen, and Akseli Hemminki. 2012. “A Phase II Trial of Gefitinib in Patients With Rising PSA Following Radical Prostatectomy or Radiotherapy”. Acta Oncologica 51 (1):130-33. https://doi.org/10.3109/0284186X.2011.617387.