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Human Pathology|May 1, 1978
The 13C/12C ratio in black pulmonary pigment: a mass spectrometric studyD N Slatkin, L Friedman, A P Irsa, et al.
Biomedical Mass Spectrometry|August 1, 1978
Natural 13C/12C ratio variations in human populationsJ S Gaffney, A P Irsa, L Friedman, et al.
Science (New York, N.Y.)|May 24, 1985
The stability of DNA in human cerebellar neuronsD N Slatkin, L Friedman, A P Irsa, et al.
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