Cvek, J Optimisation of an extraction procedure and chemical characterisation of Croatian propolis tinctures. [electronic resource] - Phytochemical analysis : PCA - 451-9 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0958-0344 Standard No.: 10.1002/pca.1001 doi Subjects--Topical Terms: CroatiaPropolis--chemistrySpectrophotometryWaxes--chemistry