New human urine biomarkers associated with hydroxytyrosol consumption and olive-based products - Nikou, Theodora; Fytili, Christina; Kalampokis, Evangelos; Tentolouris, Nikolaos; Tseti, Ioulia K.; Skaltsounis, Leandros A; Halabalaki, Maria (Planta Medica, 2021)