
Keywords: 5-HIAA; 5-hydroxyindoleacetic acid; 5-HT; 5-hydroxytryptamine; ACh; acetylcholine; AChE; acetylcholinesterase; ANOVA; analysis of variance; ATC; acetylthiocholine; BBB; blood-brain barrier; CAT; catalase; DA; dopamine; DOPAC; dihydroxyphenyl acetic acid