Easy as 1, 2, 3. Validation isn't as tough as you think.
Souhrada
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D002140:California; D002495:Central Supply, Hospital / Q000458:organization & administration / Q000592:standards*; D005568:Forms and Records Control; D006785:Hospitals, University; D006801:Humans; D017053:Infection Control; D011050:Policy Making; D013242:Sterilization / Q000295:instrumentation / Q000592:standards*; D013525:Surgical Instruments / Q000592:standards