Fig. 4From: The role of melatonin deficiency induced by pinealectomy on motor activity and anxiety responses in young adult, middle-aged and old ratsThe effect of pinealectomy on lifespan in 3 month-old Wistar male rats A, 14-month-old rats B and 18 month-old rats C. Survival curves (Kaplan–Meier) were not different between sham- and pin-group within each age group, n = 8–10/group, p > 0.05 by log-rank testBack to article page