title: Observations on central nervous system structures following the administration of a psychotomimetic substance.
mesh_terms: D000818:Animals; D001001:Anura; D001921:Brain / Q000187:drug effects* / Q000648:ultrastructure; D008238:Lysergic Acid Diethylamide / Q000494:pharmacology*; D011893:Rana esculenta
chemical_list: D008238:Lysergic Acid Diethylamide