Determination of arbutin, rutin, total content of phenols and antioxidant capacity in fruits and leaves of lingonberry, Vaccinium vitis-idaea L. (Ericaceae) - Krvavac, J; Kovac-Besovic, E; Toromanovic, J; Salihovic, M; Tahirovic, I; Duric, K; Klepo, L; Sapcanin, A; Sofic, E (Planta Medica, 2009)