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, 16:20, 13 February 2017
== Steps Followed to Extract the Trial Data ==
===Extracting Data from XML Files ===
All the historical USPTO data is available as XML files. Here is the tree structure for the XML files:
-<clinical_study rank="61205">
:+<required_header>
+<id_info>
<brief_title>
+<sponsors>
<source>
+<oversight_info>
+<brief_summary>
+<detailed_description>
<overall_status>Completed</overall_status>
<phase>Phase 1/Phase 2</phase>
<study_type>
<study_design>
<condition>
+<intervention>
+<eligibility>
+<location>
+<location_countries>
<verification_date>
<lastchanged_date>
<firstreceived_date>
<has_expanded_access>
+<condition_browse>
+<intervention_browse>