In the adult, opioids inhibit transmission from the brainstem to the spinal cord.
In the adult, opioids inhibit transmission from the brainstem to the spinal cord.
在成人，阿片剂可抑制脑干向脊髓的传递。
In the adult, opioids inhibit transmission from the brainstem to the spinal cord.
在成人，阿片剂可抑制脑干向脊髓的传递。