Internet option in a mail survey: more harm than good?
Jeanette Y
JY
Ziegenfuss
Timothy J
TJ
Beebe
Enrique
E
Rey
Cathy
C
Schleck
G Richard
GR
Locke
Nicholas J
NJ
Talley
D000328:Adult; D000367:Age Factors; D000368:Aged; D006306:Health Surveys; D006801:Humans; D020407:Internet; D008875:Middle Aged; D008910:Minnesota / Q000453:epidemiology; D011159:Population Surveillance