History, measurement, and applicability of periodic changes in teh electromagnetic field in health and disease.
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Biomedical subjects
Publications and source records attributed to L J RAVITZ.
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Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.