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The following is a table of reference values for adults for laboratory tests commonly ordered at the Massachusetts General Hospital (MGH) and recorded in the Case Records. The table revises the most recently published data (Normal Reference Laboratory Values. N Engl J Med 1998;339:1063-72). Laboratory values are expressed in the units used at the MGH and the units of the Système International d'Unités (SI units). The table is not intended to provide a comprehensive review of reference values, since this information is widely available in standard textbooks. To avoid suggesting an endorsement of commercial products by the hospital or the Journal, . . .
Kratz et al. (Wed,) studied this question.