TY - RPRT TI - Decrease in delta-opioid receptor density in rat brain after chronic [D-Ala2,D-Leu5]enkephalin treatment. AU - P L Tao AU - L R Chang AU - P Y Law AU - H H Loh PY - 1988 DO - 10.1016/0006-8993(88)90559-8 UR - https://pubmed.ncbi.nlm.nih.gov/2847851/ ID - 2847851 ER -