What is the difference between ultrasound and ultrasonography?

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Tags

1. #field
2. #practice
3. #called
4. #using
5. #unborn
6. #sonography
7. #these
8. #medical
9. #frequency
10. #familiar
11. #ultrasound
12. #ultrasonography
13. #analysis
14. #might
15. #obstetrics
16. #image
17. #waves
18. #sometimes
19. #produce