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2000
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2000
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NAC.260

During {the/those} month(s), about how many {DAYS/DAYS PER MONTH} did you take vitamin C?
VITCDNO
[ ] NUMBER

(01-30) 01-30 days
(30) All of them
(96) Other
(97) Refused
(99) Don't know
VITCDTP
[ ] TIME PERIOD

(1) Days per week
(2) Days per month
(6) Other
(7) Refused
(9) Don't know