Coffee and opiate receptors. Another cup of coffee?
D000241:Adenosine / Q000037:antagonists & inhibitors; D000818:Animals; D002110:Caffeine / Q000494:pharmacology; D003069:Coffee / Q000009:adverse effects*; D006168:Guinea Pigs; D006801:Humans; D009270:Naloxone / Q000378:metabolism; D011956:Receptors, Cell Surface / Q000187:drug effects; D011957:Receptors, Opioid / Q000187:drug effects* / Q000378:metabolism; D011983:Receptors, Purinergic
D003069:Coffee; D011956:Receptors, Cell Surface; D011957:Receptors, Opioid; D011983:Receptors, Purinergic; D009270:Naloxone; D002110:Caffeine; D000241:Adenosine