title: Muramyl peptides, serotonergic system, and sleep.
mesh_terms: D000119:Acetylmuramyl-Alanyl-Isoglutamine / Q000494:pharmacology*; D000818:Animals; D001921:Brain / Q000187:drug effects / Q000276:immunology / Q000502:physiology*; D010134:Fenclonine / Q000494:pharmacology*; D008297:Male; D009928:Organ Specificity; D051381:Rats; D011919:Rats, Inbred Strains; D012701:Serotonin / Q000378:metabolism*; D012890:Sleep / Q000187:drug effects*
chemical_list: D012701:Serotonin; D000119:Acetylmuramyl-Alanyl-Isoglutamine; D010134:Fenclonine