@article{e6efc7e7f8a64bc6a79564f2816ce4ce,
title = "Bioavailability and pharmacokinetics of Echinacea purpurea preparations and their interaction with the immune system.",
author = "K Woelkart and Egon Marth and A Suter and R Schoop and Raggam, \{Reinhard Bernd\} and Christoph Koidl and Barbara Kleinhappl and R Bauer",
year = "2006",
doi = "10.5414/CPP44401",
language = "English",
journal = "International Journal of Clinical Pharmacology and Therapeutics",
issn = "0946-1965",
publisher = "Dustri-Verlag Dr. Karl Feistle",
}