either iv injection of 5-hydroxy-l-tryptophan ( 1 mg/100 g bw ) or intracerebroventricular injection of serotonin ( 10 micrograms/rat ) caused an increase in plasma gh in rats treated with normal rabbit serum ( 0.5 ml/rat , iv ) 30 min previously .
C0032105
plasma
C0229671
serum