Fig. 6From: Changes in thyroid hormones, leptin, ghrelin and, galanin following oral melatonin administration in intact and castrated dogs: a preliminary studyChanges and comparison of overall means±SEM ratio of FT3/FT4 between control, melatonin, castrated and melatonin+castrated groups. Each black round point indicates mean concentration of FT3/FT4 ratio of each dog during studyBack to article page