🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsالعربيةفارسیEntityQ6390355· pop 5· linked from 68 articlesKenneth L. WilliamsAmerican zoologistRecent publications · Crossref5 total works indexedAnalysis of Relative Gene Expression Data Using Real-Time Quantitative PCR and the 2−ΔΔCT Method · 2001 · cited 160,641xThe PHQ-9 · 2001 · cited 38,259xA Brief Measure for Assessing Generalized Anxiety Disorder · 2006 · cited 27,849xDifferential Evolution – A Simple and Efficient Heuristic for global Optimization over Continuous Spaces · 1997 · cited 24,196xLearning representations by back-propagating errors · 1986 · cited 23,596xvia Crossref · CC0ConnectionsherpetologyEntitymilk snakeEntityCategories1934 births2017 deaths21st-century American zoologistsAmerican herpetologistsAmerican male non-fiction writersAmerican nature writersAmerican science teachersLouisiana State University alumni