Authors: Madlyn I Frisard; Amanda Broussard; Sean S Davies; L Jackson Roberts; Jennifer Rood; Lillian de Jonge; Xiaobing Fang; S Michal Jazwinski; Walter A Deutsch; Eric Ravussin Journal: J Gerontol A Biol Sci Med Sci Date: 2007-07 Impact factor: 6.053
Authors: Robert W Clark; Nicholas D Lanz; Andrea J Lee; Robert L Kerby; Gary P Roberts; Judith N Burstyn Journal: Proc Natl Acad Sci U S A Date: 2006-01-12 Impact factor: 11.205