Abstract Introduction Neurologic consequences of manganese toxicity have been recognized since 1837. A new form of presumed manganese poisoning has been reported in drug-addicted persons from Eastern Europe and the Baltic states who have intravenously injected self-prepared methcathinone hydrochloride (ephedrone). which is synthesized from pseudoephedrine hydrochloride using potassium... https://cosmeticssquadets.shop/product-category/day-and-night-cream/