Phtytochemical studies and quantitative HPLC analysis of rosmarinic acid and luteolin 5-O-β-D-glucopyranoside on Thymus praecox subsp. grossheimii var. grossheimii - Sevindik, H; Ozgen, U; Atila, A; Ozturk Er, H; Kazaz, C; Duman, H (Chem Pharm Bull, 2015)