Increasing health awareness to decreasing nonparticipation bias in health studies.
Ivy
I
Shiue
D000375:Aging; D005260:Female; D015577:Geriatric Assessment; D006801:Humans; D007182:Income / Q000706:statistics & numerical data*; D008297:Male; D012424:Rural Population / Q000706:statistics & numerical data*; D014505:Urban Population / Q000706:statistics & numerical data*