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Adding "Present on Admission" as a Fact_Relationship (6)
Drug_exposure_end_date for negative days_supply? (19)
Defining drug eras with reconciliation data (1)
2018 ohdsi symposium collaborative showcase is now accepting abstracts (1)
2018 ohdsi symposium registration is open! (1)
OHDSI F2F - Architecture Hackathon 5/4 - Adds another day! (13)
Delete post (1)
Patient-generated content; patient forums (1)
Load OMOP data into Hadoop (2)
Help needed with project proposal template! (4)
Specifying OMOP queries / optimizing query development time (5)
Oncology Treatment Proposal (2)
Oncology Workgroup (3)
Has anyone use OSIM data sets? ( 2 ) (32)
Is there a high-resolution version of the OMOP ER Diagram somewhere? (2)
CDM Genomics WG Meeting (2)
NDCs Changing Over Time (7)
First Maternal Child Health working Group tomorrow (2)
Estimated size of combined OMOP data sets (2)
Cannot FTP to get the OSIM2 datasets (11)
Why is the person table the only table with row level provenance tracking? (2)
Would anybody else like to be able to explicitly link a specimen to a pathology procedure? (1)
Would anybody else like to be able to explicitly link a note to the procedure it was written for? (1)
The most updated +/- reference set of DOI-HOI (1)
Requesting better support for mapping ICD-O in SNOMED (1)
Installation Failure (1)
Anyone going to BioIT World 17 this week? (1)
Admission date as start date in event tables? (1)
Workshop/ Training Requirement For OMOP CDM ETL Mapping (2)
Anybody have any experience with incrementally loading data into the OHDSI/OMOP CDM? (1)