Cimmino M, Zampogna A, Murroni S, Baruffi S, Alessio G, Maio T, Mela G. Prevalence studies in rheumatology: the methodology of the Chiavari study. Reumatismo [Internet]. 2002 Mar. 30 [cited 2024 Apr. 26];54(1):40-7. Available from: https://www.reumatismo.org/reuma/article/view/reumatismo.2002.40