Data-Field 120065
Description:Visual changes before or near the onset of headaches
Category:Experience of painOnline follow-up

Participants55,971 Value TypeCategorical (single) SexedBoth sexes DebutDec 2020
Item count55,971Item TypeDataInstancesSingularVersionDec 2020
StabilityAccruingStrataPrimaryArrayNoCost Tierd1 o1 s1