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Am Fam Physician. 1998;58(1):52

A text box in the article “Hyperparathyroidism” (April 15, 1998, page 1795) contained an error. The text box on page 1797 should contain the following statement: “A ratio of chloride to phosphate greater than 33 is suggestive of hyperparathyroidism.”

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Copyright © 1998 by the American Academy of Family Physicians.

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