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614 - Public health and hygiene. Accident prevention (61)
57 - Biological sciences in general (59)
Arquitectura (53)
Medicina (52)
617 - Surgery. Orthopaedics. Ophthalmology (51)
Educació (51)
81 - Linguistics and languages (49)
Educación (46)
616 - Pathology. Clinical medicine (44)
616.9 - Communicable diseases. Infectious and contagious diseases, fevers (43)