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Key Record Dates Identifier: NCT01837121
Brief Title: a Trial of Using SMS Reminder Among Diabetic Retinopathy Patients in Rural China (SMS)

First Submitted : April 14, 2013
First Submitted that Met QC Criteria : April 17, 2013
First Posted : April 22, 2013 (Estimate)

Last Update Submitted that Met QC Criteria : January 7, 2018
Last Update Posted : January 9, 2018