Instrument Variable Name: CHE_TIM3
Did you receive surgery for [fill: condition from CHE_MOST or CHE_COND or CHE_SPEC] before, at about the same
time, or after trying chelation therapy?
2 At about the same time
9 Don't know
Universe Text: Sample adults 18+ who had surgery for condition they used chelation therapy for the most
(1-3,R,D) [goto to next selected conventional medical treatment. If no more treatments selected [goto CHE_ENG]