Are opioids systems (endogenous opioids and receptors) important for fetal development?
Are opioids systems (endogenous opioids and receptors) important for fetal development?
阿片系统（内源性阿片类物质和受体）对胎儿发育是否重要？
Are opioids systems (endogenous opioids and receptors) important for fetal development?
阿片系统（内源性阿片类物质和受体）对胎儿发育是否重要？