SÝKOROVÁ, Miroslava et al. Determination of selected elements by XRF and total phenolics in leaves and crude methanol extract of leaves of Arctostaphylos uva-ursi. In Acta Facultatis Pharmaceuticae Universitatis Comenianae. Tomus LVI. ISSN 0301-2298. Bratislava : Univerzita Komenského, 2009. ISBN 978-80-223-2703-9, s. 136-145.