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Ètica (2)
159.9 - Psychology (1)
339 - Trade. Commerce. International economic relations. World economy (1)
371 - Education and teaching organization and management (1)
378 - Higher education. Universities. Academic study (1)
502 - The environment and its protection (1)
576 - Cellular and subcellular biology. Cytology (1)
61 - Medical sciences (1)
614 - Public health and hygiene. Accident prevention (1)
615 - Pharmacology. Therapeutics. Toxicology (1)