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When user click on "Subject ID", system navigates to Subject's information screen (3.2 View Subject 's Information)
When user click on Visit, system navigates to Visit Infor and then user can enter data for CRF in this visit (6. Enter data)
When user click on "Sign" or "Verify" icon, system navigates to "Enter data" screen to sign and verify data (7. Verify data, 8. Sign data)
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