title: Factors affecting viewing time of pornography.
mesh_terms: D000293:Adolescent; D000328:Adult; D000339:Affect; D003674:Defense Mechanisms; D004882:Erotica; D005403:Fixation, Ocular; D006801:Humans; D008297:Male; D012919:Social Behavior; D013997:Time Factors; D014796:Visual Perception