May testosterone levels and their fluctuations influence cognitive performance in humans? Our authors: Celec Peter, Hodosy Július All authors: Ostatnikova D, Putz Z, Celec P, Hodosy J Scripta Medica (Brno), 75 (5): 245-254, 2002 https://www.researchgate.net/publication/251550216_May_testosterone_levels_and_their_fluctuations_influence_cognitive_performance_in_humans