## `DM`
A data frame with 22 rows and 12 variables:
- STUDYID
study label
- SITEID
site code
- SUBJID
subject code
- USUBJID
unique subject ID
- SCRFL
screen fail flag
- ICFDT
informed consent date
- ICFDTC
informed consent date character form
- DOBDT
date of birth
- AGE
subject baseline age
- SEX
subject sex
- RACE
subject race
- ETHNIC
subject ethnicity