Adding "Present on Admission" as a Fact_Relationship
Drug_exposure_end_date for negative days_supply?
Defining drug eras with reconciliation data
2018 ohdsi symposium collaborative showcase is now accepting abstracts
2018 ohdsi symposium registration is open!
OHDSI F2F - Architecture Hackathon 5/4 - Adds another day!
Patient-generated content; patient forums
Load OMOP data into Hadoop
Help needed with project proposal template!
Specifying OMOP queries / optimizing query development time
Oncology Treatment Proposal
Has anyone use OSIM data sets?
Is there a high-resolution version of the OMOP ER Diagram somewhere?
CDM Genomics WG Meeting
NDCs Changing Over Time
First Maternal Child Health working Group tomorrow
Estimated size of combined OMOP data sets
Cannot FTP to get the OSIM2 datasets
Why is the person table the only table with row level provenance tracking?
Would anybody else like to be able to explicitly link a specimen to a pathology procedure?
Would anybody else like to be able to explicitly link a note to the procedure it was written for?
The most updated +/- reference set of DOI-HOI
Requesting better support for mapping ICD-O in SNOMED
Anyone going to BioIT World 17 this week?
Admission date as start date in event tables?
Workshop/ Training Requirement For OMOP CDM ETL Mapping
Anybody have any experience with incrementally loading data into the OHDSI/OMOP CDM?
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