Please cite the main reference and the reference for the page that you are using.
ada2a_human,
ada2b_human,
ada2c_human,
oprm_human,
oprk_human,
oprd_human,
5ht1a_human,
drd2_human,
drd1_human,
drd4_human,
5ht2a_human,
ada1a_human,
hrh1_human,
ada1b_human,
drd3_human
Clonidine,
Buprenorphine,
Methadone,(r)(-),
Morphine,
Chlorpromazine