Data-Field 120066
Description:Visual changes develop slowly before or near the onset of headaches
Category:Online follow-upExperience of pain

Participants21,315 Value TypeCategorical (single) SexedBoth sexes DebutDec 2020
Item count21,315Item TypeDataInstancesSingularVersionDec 2020
StabilityAccruingStrataPrimaryArrayNoCost Tierd1 o1 s1