_dta:
  1.  patientthru2017 set up by Jean Roth , jroth@nber.org , 19 Sep 2018
  2.  MAUDE Patient Record through 2017

  obs:     6,859,697                          
 vars:             6                          19 Sep 2018 06:25
 size:   530,970,725                          (_dta has notes)
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              storage   display    value
variable name   type    format     label      variable label
------------------------------------------------------------------------------------------------------------------------------
mdr_report_key  long    %10.0g                Medical Device Reporting (MDR) Report Key
patient_sequence_number
                str2    %9s                   Patient Sequence Number (from patient report table)
date_received   int     %td                   Date Received (from mdr_document table)
date_receivedstr
                str10   %10s                  Date Received (from mdr_document table)
sequence_number_treatment
                strL    %9s                   Sequence Number||','|| Treatment -- multiple source type, separate by ';'
sequence_number_outcome
                str40   %40s                  Sequence Number||','|| Outcome -- multiple source type, separate by ';'
------------------------------------------------------------------------------------------------------------------------------
Sorted by: mdr_report_key  patient_sequence_number