[Herbal medicines in Spain: the current situation].
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D029001:Herbal Medicine / Q000193:education / Q000331:legislation & jurisprudence / Q000639:trends*; D006801:Humans; D008517:Phytotherapy / Q000592:standards / Q000706:statistics & numerical data / Q000639:trends*; D012106:Research; D013030:Spain; D014944:World Health Organization