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1. National Library of medicine Classification 1

3. NLM 3

4.   4

5. WZ 220-270) WZ W QZ WZ270 QS Z220 5

6. LC LC NLM R QR QM NLM 6

7. WC QS QT QU QV WD WE WF WG QW WH QX WI QY - WJ WK WL WM QZ W WA WB 7

8. WN WO WW WP WX WQ WY WR WZ WS WT WU WV 8

10. NLM 10

11. 11

12. 12

13. 13

14. 14

15. table G 15

16. 16

17. CF see Physicians' Assistants see Physician Assistants 17

18. NLM 18

19. https://jira-ext.nlm.nih.gov/class/docs/index.html# 19

20. NLM Search Search Search 20

21. Search 21

22.  mesh terms  NLM 22

23. NLM 23

24. WC 24

25. Leg Search 25

26. Search 26

27. Leg Search box 27

28. 28

29. mesh term 29

30. NLM �ݺ�ߣ Link to NLM cataloging classification Classification 30

31. Search Search Neoplasms Index N Current page Search 31

32. 32

33. Search 33

34. 34

35. 35

36. Spell 36

37. 37

38. : Class number search Search 38

39. 39

NLM training