求文献一篇。PMID: 13331332

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: j+ r0 A! {) D9 Y2 }  GLipid content and fatty acids in brain and liver of young and old rats
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PMID: 133313326 u( q$ m  Y. k7 {( N4 V
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http://www.ncbi.nlm.nih.gov/pubm ... +young+and+old+rats/ O! c* r7 g' \/ h, B; ]; _: Z; M" U

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