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Herbal drugs are often used in patients with somatoform disorders yet, the available evidence is limited. The aim of the present short-term study was to evaluate in a pharmaco-clinical trial the(More)
Valerian and hops are traditionally used as sleep aids. Since the fixed extract combination (Ze 91019) as a whole is considered the active compound, the clinical efficacy must be demonstrated for(More)
BACKGROUND Petasin (Ze 339) was recently introduced on the market as a potent herbal antiallergic drug for treatment of respiratory allergies such as hay fever. Few clinical studies have been(More)
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