Changes of serum benzodiazepine endogenous opioid peptide in patients with hepatic encephalopathy and role of naloxone 内啡肽变化及纳络酮治疗作用
3.
Studies utilizing rats demonstrate that opioid receptors and endogenous opioid peptides appear ery early in the cns deelopment ( 2 ) 通过大鼠的研究表明,阿片受体和内源性阿片肽在cns形成过程中出现很早[ 2 ] 。