The Commission's biennial review of isotopic compositions as determined by mass spectrometry and other relevant methods has been undertaken by the Subcommittee for the Assessment of Isotopic Composition (SAIC). The Subcommittee's critical evaluation of the published literature element by element forms the basis of the
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Holden et al. (1984) studied this question.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: