sdtm_supplb.RdSupplemental Qualifiers for LB data frame - One record per IDVAR, IDVARVAL, and QNAM value per subject
sdtm_supplba data frame with 64403 rows and 10 columns. See https://github.com/SafetyGraphics/safetyData/blob/main/data-raw/sdtm/README.md for more details and full data specification. Columns:
 STUDYID text - Study Identifier
 RDOMAIN text - Related Domain Abbreviation
 USUBJID text - Unique Subject Identifier
 IDVAR text - Identifying Variable
 IDVARVAL text - Identifying Variable Value
 QNAM text - Qualifier Variable Name
 QLABEL text - Qualifier Variable Label
 QVAL text - Data Value
 QORIG text - Origin
 QEVAL text - Evaluator