EntityQ326732· pop 11Jiří FrejkaSign in to saveCzech theatre director (1904-1952)Recent publications · Crossref5 total works indexed2010 Rheumatoid arthritis classification criteria: An American College of Rheumatology/European League Against Rheumatism collaborative initiative · 2010 · cited 7,519xPlešovice zircon — A new natural reference material for U–Pb and Hf isotopic microanalysis · 2008 · cited 4,722xPlasma Hsp90 levels in patients with systemic sclerosis and relation to lung and skin involvement: a cross-sectional and longitudinal study · 2021 · cited 4,507xVan der Waals density functionals applied to solids · 2011 · cited 4,297xSurface Plasmon Resonance Sensors for Detection of Chemical and Biological Species · 2008 · cited 4,042xvia Crossref · CC0