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• 522- History of science and technology
  • 522-336 Life sciences
    • 522-359 Biology
      • 522-420 Medicine; surgery; pharmacy
        • 522-493 Surgery
          • 522-495 Practice
            • 522-496 General points
            • 522-497 Antiquity
            • 522-498 East and Far East
            • 522-499 Arabs
            • 522-499A Pre-Columbian America.
            • 522-500 Middle Ages.
            • 522-501 Renaissance
            • 522-502 17th century
            • 522-503 18th century
            • 522-504 19th century
            • 522-505 20th century
            • 522-505A 21th century.

Título

• en : Practice
• fr : Pratique.

Notación SKOS

522-495

En el plan

Francis Classification Scheme