<a href="/doctors/prof-dr-med-habil-cezary-szczylik">Prof. Dr. med. habil. Cezary Szczylik</a> - 280 publications, and <a href="/doctors/dr-bogumil-pawel-siekierski-ph-d">Dr. Bogumil Pawel Siekierski, Ph.D.</a> - 21 publications are oncologists in Poland with the most extensive scientific background.