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Start Over Formats Still image ✖Remove constraint Formats: Still image Subjects Ambulatory Care ✖Remove constraint Subjects: Ambulatory Care Subjects Biomedical Research ✖Remove constraint Subjects: Biomedical Research Subjects Clinical Trials as Topic ✖Remove constraint Subjects: Clinical Trials as Topic Titles The practicing physician and clinical research ✖Remove constraint Titles: The practicing physician and clinical research Languages English ✖Remove constraint Languages: English Copyright Public domain ✖Remove constraint Copyright: Public domain

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