[Endorphins and the respiratory system].
D000818:Animals; D004723:Endorphins / Q000032:analysis / Q000502:physiology*; D006801:Humans; D008168:Lung / Q000032:analysis; D011957:Receptors, Opioid / Q000032:analysis; D012119:Respiration / Q000187:drug effects; D012137:Respiratory System / Q000187:drug effects*; D012140:Respiratory Tract Diseases / Q000209:etiology
D004723:Endorphins; D011957:Receptors, Opioid