by Krivonos O.V.
Published in Saratovskiĭ nauchno-medit͡s︡inskiĭ zhurnal (01.12.2013)

by Ometto, F., Fedeli, U., Botsios, C., Schievano, E., Corti, M. C., Punzi, L.
Published in Annals of the rheumatic diseases (01.06.2018)

by Vega, M A L de la, Briceño, S G, Silva, E R, Villasmil, J J
Published in Journal of epidemiology and community health (1979) (01.08.2011)

by Jedrychowski, W, Mróz, E, Wiernikowski, A, Flak, E
Published in Przegląd epidemiologiczny (2001)