
Keywords: 5-HT; serotonin; ACTH; adrenocorticotropic-hormone; AH/POA; anterior hypothalamic/preoptic area; AP; alkaline phosphatase; BCIP; 5-bromo-4-chloro-3-indolyl phosphate; bpm; beats per minute; CBF; cerebral blood flow; CNS; central nervous system; COPD; chro