Please cite the main reference and the reference for the page that you are using.
oprm_human,
oprd_human,
oprk_human,
gabr2_human,
gabr1_human
Naltrexone,
Baclofen
, 'sankey.svg');){kind=link}
, 'sankey.png');){kind=link}
,'sankey.jpg');){kind=link}