. . "Altered states of consciousness." . . "Altered states of consciousness" . "Hallucinogenic drugs Fiction." . . "Estados alterados de conciencia." . . "Halluzinogene." . . "Tryptamines." . . "Stupéfiants." . . "Drogas alucinógenas." . . "Phenethylamines." . . "Psychotropic Drugs." . . "Mysticism." . . "Aminas biogénicas." . . "Psychedelische Erfahrung." . . "Tryptamines chemistry." . . "Hallucinogenic drugs." . . "Hallucinogenic drugs" . "Hallucinogens." . . "Tryptamine." . . "Tryptamine" . . "Tryptamines I have known and loved"@en . . . "Tihkal : the continuation" . . "Tihkal : the continuation"@en . . . . . . . . . . . . . . . "TIHKAL : the continuation" . . . . . . . . . . "Fictional Works" . . . . . "Fiction" . . . . "hallucinogène méthodologie synthèse organique." . .