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Portrait of older male participating in clinical trial for health progress, sitting in the research laboratory waiting for vitals examination and consultation. RD strategy for biomedicine.
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Portrait of old man starting a clinical trial in research lab to test new drug, sitting on a bed and waiting for a thorough examination. Senior person participates in health progress. Camera A.
Smiling man in headset greeting online teacher start foreign language class via video call application on laptop. Businessman accomplish business virtual meeting work from home use modern tech concept
Curious elementary school girl raising hand to ask question during class, showing eagerness to learn and participate

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