Endogenous opioids (endorphins) and the control of breathing.
D004723:Endorphins / Q000502:physiology*; D006935:Hypercapnia / Q000503:physiopathology; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D009270:Naloxone / Q000494:pharmacology; D012119:Respiration
D004723:Endorphins; D009270:Naloxone