Conference ProceedingsQuantifying Uncertainty in Estimations of the Total Weight of Drugs in Groups of Complex Matrices Using the Welch-Satterthwaite EquationPresenting section:Criminalistics2017Alberink, Ivo, The Hague NETHERLANDS; Sprong, Annette, The Hague NETHERLANDS; Bolck , Annabel, Den Haag NETHERLANDS; Vergeer, Peter, The Hague NETHERLANDSView the paperCriminalistics