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2. HOPATE interview form;Company, Tanabe Pharmaceutical,1986
3. Acute encephalopathy in three children associated with calcium hopantenate. No To Hattatsu;Sugimoto, T.; Yasuhara, Y.; Nishida, N.;(Jpn),1983
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5. An autopsied case of Reye's syndrome occurred during administration of calcium hopantenate;Tsutsui, Y.; Shirasawa, H.; Oka, S.;Saishin-Igaku,1984