[HTML][HTML] The AC/AG diplotype for the 118A> G and IVS2+ 691G> C polymorphisms of OPRM1 gene is associated with sleep quality among opioid-dependent patients …

Z Zahari, CS Lee, MA Ibrahim, N Musa… - Pain and therapy, 2016 - Springer
Introduction Methadone is a full agonist of the opioid receptor mu 1 which is encoded by the
OPRM1 gene. Sleep disorders were frequently reported by opioid-dependent patients …