| add_functions | Add arms, interventions and outcomes to an existing xml... | 
| create_ctxml | Creates xml document for upload to clinicaltrials.gov | 
| pipe | Pipe operator | 
| print_ctxml | Print xml document created using spiritR | 
| spiritR-package | spiritR: Template for Clinical Trial Protocol | 
| upload_ctxml | Upload an xml object to the clinicaltrials.gov registry | 
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