sdtm_ts.RdTrial Summary data frame - One record per trial summary parameter value
sdtm_tsa data frame with 33 rows and 6 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
 DOMAIN text - Domain Abbreviation
 TSSEQ integer - Sequence Number
 TSPARMCD text - Trial Summary Parameter Short Name
 TSPARM text - Trial Summary Parameter
 TSVAL text - Parameter Value