Senger RS, Kavuru V, Sullivan M, Gouldin A, Lundgren S, Merrifield K, Steen C, Baker E, Vu T, Agnor B, Martinez G, Coogan H, Carswell W, Karageorge L, Dev D, Du P, Sklar A, Orlando G, Pirkle J, Robertson JL. Spectral characteristics of urine specimens from healthy human volunteers analyzed using Raman chemometric urinalysis (Rametrix). PLoS One. 2019; 14(9):e0222115.