America's aging farmers: tenacious, productive, and underresearched.
Reed
Deborah B
DB
D000368:Aged; D000375:Aging / Q000502:physiology*; D000383:Agriculture / Q000706:statistics & numerical data / Q000639:trends*; D005260:Female; D006306:Health Surveys; D006801:Humans; D008297:Male; D008875:Middle Aged; D012449:Safety; D014481:United States; D000078329:Workforce