Body mass index, weight change, and death in older adults: the systolic hypertension in the elderly program.
Somes GW, Kritchevsky SB, Shorr RI, Pahor M, Applegate WB. Body mass index, weight change, and death in older adults: the systolic hypertension in the elderly program. Am J Epidemiol. 2002 Jul 15; 156(2):132-8.