The opioids and the GABA-ergic differentiation of the psychoses.
D006801:Humans; D009609:Nitrous Oxide; D011618:Psychotic Disorders / Q000145:classification*; D005680:gamma-Aminobutyric Acid / Q000502:physiology*
D005680:gamma-Aminobutyric Acid; D009609:Nitrous Oxide