🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiSvenskaРусскийEntityQ1793655· pop 6Kurt HeynickeGerman author (1891–1985)Recent publications · Crossref5 total works indexedThe PHQ-9 · 2001 · cited 38,233xA Brief Measure for Assessing Generalized Anxiety Disorder · 2006 · cited 27,829xMultilayer feedforward networks are universal approximators · 1989 · cited 17,909xBioconductor: open software development for computational biology and bioinformatics · 2004 · cited 10,238xA comparative risk assessment of burden of disease and injury attributable to 67 risk factors and risk factor clusters in 21 regions, 1990–2010: a systematic analysis for the Global Burden of Disease Study 2010 · 2012 · cited 9,222xvia Crossref · CC0