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Visió (2)
Ètica mèdica (2)
15 M -- Moviments de protesta (1)
373 - Kinds of school providing general education (1)
547 - Organic chemistry (1)
57 - Biological sciences in general (1)
59 - Zoology (1)
616 - Pathology. Clinical medicine (1)
616.7 - Pathology of the organs of locomotion. Skeletal and locomotor systems (1)
621.3 Electrical engineering (1)