Random triples
| Subject | Object | 
|---|---|
| gptkb:5-HT | 5-HT4 | 
| gptkb:Opioids | gptkb:Delta_opioid_receptor | 
| gptkb:Parasympathetic_nervous_system | nicotinic receptors | 
| gptkb:Parasympathetic_nervous_system | muscarinic receptors | 
| gptkb:5-HT | 5-HT2 | 
| gptkb:5-HT | 5-HT6 | 
| gptkb:5-HT | 5-HT3 | 
| gptkb:5-HT | 5-HT5 | 
| gptkb:5-HT | 5-HT1 | 
| gptkb:Opioids | gptkb:Kappa_opioid_receptor | 
| gptkb:5-HT | 5-HT7 | 
| gptkb:Opioids | gptkb:Mu_opioid_receptor | 
| gptkb:Serotonin | 5-HT receptors | 
| gptkb:Endorphins | Mu-opioid receptor | 
| gptkb:Endorphins | Kappa-opioid receptor | 
| gptkb:Endorphins | Delta-opioid receptor |