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Sex-specific 25-hydroxyvitamin D threshold concentrations for functional outcomes in older adults: PRoject on Optimal VItamin D in Older adults (PROVIDO).
Shardell M, Cappola AR, Guralnik JM, Hicks GE, Kritchevsky SB, Simonsick EM, Ferrucci L, Semba RD, Shaffer NC, Harris T, Eiriksdottir G, Gudnason V, Cotch MF, Orwoll E, Ensrud KE, Cawthon PM. Shardell M, et al. Among authors: shaffer nc. Am J Clin Nutr. 2021 Jul 1;114(1):16-28. doi: 10.1093/ajcn/nqab025. Am J Clin Nutr. 2021. PMID: 33826696 Free PMC article.
Basal body temperature as a biomarker of healthy aging.
Simonsick EM, Meier HCS, Shaffer NC, Studenski SA, Ferrucci L. Simonsick EM, et al. Among authors: shaffer nc. Age (Dordr). 2016 Dec;38(5-6):445-454. doi: 10.1007/s11357-016-9952-8. Epub 2016 Oct 26. Age (Dordr). 2016. PMID: 27785691 Free PMC article.
The Relationship of Lean Body Mass With Aging to the Development of Diabetes.
Kalyani RR, Metter EJ, Xue QL, Egan JM, Chia CW, Studenski S, Shaffer NC, Golden S, Al-Sofiani M, Florez H, Ferrucci L. Kalyani RR, et al. Among authors: shaffer nc. J Endocr Soc. 2020 Apr 30;4(7):bvaa043. doi: 10.1210/jendso/bvaa043. eCollection 2020 Jul 1. J Endocr Soc. 2020. PMID: 32666006 Free PMC article.
The joy of stress.
Clarke MA, Shaffer NC. Clarke MA, et al. Among authors: shaffer nc. Balance. 2000 Mar-Apr;4(2):6-8, 10. Balance. 2000. PMID: 11183003 No abstract available.