Rows 1-2: Show that nausea and vomiting were prespecified on a CRF, as indicated by AEPRESP = "Y". The subject did not experience diarrhea, so no record for that term exists in the AE dataset. Row 3: Shows an example of an AE (headache) that was not prespecified on a CRF, as indicated by a null value for AEPRESP. Row a b c 1 2 3

Rows 1-2: Show that nausea and vomiting were prespecified on a CRF, as indicated by AEPRESP = "Y". The subject did not experience diarrhea, so no record for that term exists in the AE dataset. Row 3: Shows an example of an AE (headache) that was not prespecified on a CRF, as indicated by a null value for AEPRESP. Row a b c 1 2 3

test a b c 1 2 3