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http://source.openmrs.org/browse/Modules/patientmatching/
https://github.com/openmrs/openmrs-module-patientmatching
What the module does
The OpenMRS module wraps around the patientmatching jar to facilitate creating the matching file setup and merging patients that are found to be duplicates
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Difference between "Must Match" and "Should Match"
"Must Match" is used to determine which patients get compared to other patients. For the demographics selected, these values must match to have the module evaluate the records.
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