Circadian variation of critical flicker frequency among children.
D000367:Age Factors; D002648:Child; D002940:Circadian Rhythm; D004056:Differential Threshold; D005260:Female; D005425:Flicker Fusion; D006801:Humans; D008297:Male; D010775:Photic Stimulation; D012737:Sex Factors; D013997:Time Factors