Data-Field 120066
Description:Visual changes develop slowly before or near the onset of headaches
Category:Experience of painOnline follow-up

Participants21,316 Value TypeCategorical (single) SexedBoth sexes DebutDec 2020
Item count21,316Item TypeDataInstancesSingularVersionDec 2020
StabilityAccruingStrataPrimaryArrayNoCost Tierd1 o1 s1