Megyesfalvi Z, Gay CM, Popper H, Pirker R, Ostoros G, Heeke S, Lang C, Hoetzenecker K, Schwendenwein A, Boettiger K, Bunn PA, Renyi-Vamos F, Schelch K, Prosch H, Byers LA, Hirsch FR, Dome B. Clinical insights into small cell lung cancer: Tumor heterogeneity, diagnosis, therapy, and future directions. CA Cancer J Clin. 2023 Nov-Dec; 73(6):620-652.