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The Substance: Albert Hofmann's LSD

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About The Substance: Albert Hofmann's LSD

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From: Martin Witz

With: Stanislav Grof , Martin A. Lee , James S. Ketchum , Franz X. Vollenweider , Carolyn Garcia , Ralph Metzner , Nick Sand , Roland Griffiths

Country of origin: Suisse

Audio: Deutsch, English

Subtitles: Deutsch, English