Age-related changes in the D-aspartic acid content of the cranial bones in senescence-accelerated mice (SAM)
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We measured the age-related changes in the D/L-aspartic acid ratio (D/L ratio) of cranial bones in two different sublines of senescence-accelerated mice (SAM/Iw): SAMP2/Iw (SAM, prone 2/Iwate) and SAMR1/Iw (SAM, resistant 1/Iwate). In SAM/Iw under 9 months of ... ...