title: [The effect of darkness on knee-jerk reflexes].
authors.forename: V A
authors.initials: VA
authors.lastname: Safronov
mesh_terms: D000328:Adult; D000704:Analysis of Variance; D001007:Anxiety / Q000209:etiology / Q000503:physiopathology*; D002940:Circadian Rhythm / Q000502:physiology; D003624:Darkness; D004576:Electromyography; D006801:Humans; D007717:Knee / Q000502:physiology*; D010812:Physical Stimulation; D011187:Posture / Q000502:physiology; D012018:Reflex / Q000502:physiology*; D055815:Young Adult