Convention needed: Missing dates in source data

OHDSI / OncologyWG

Oncology Working Group Repository

https://ohdsi.github.io/OncologyWG

Apache License 2.0

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Open rtmill opened 10 months ago

rtmill commented 10 months ago

Community request:

Convention needed for : "When we have a diagnosis date and a procedure related to that diagnosis but there is no date provided for that procedure"