Randomly generated exposure domain
EX## `EX` A data frame with 42 rows and 19 variables:
study label
site code
unique subject ID
domain category
visit label
numeric study day
visit numeric code
treatment label
treatment amount
treatment unit label
treatment route label
treatment frequency
treatment administration date
treatment administration date character form
treatment administration time
treatment administration time character form
treatment administration date and time
treatment timepoint label
treatment numeric timepoint