@Article{J. Kucharz2011, journal="Reumatologia/Rheumatology", issn="0034-6233", volume="49", number="3", year="2011", title="Professor Walter Siegenthaler. Obituary", author="J. Kucharz, Eugeniusz", pages="220--222", url="https://www.termedia.pl/Professor-Walter-Siegenthaler-Obituary,18,16777,1,1.html" }