title: MEDLARS Computer information retrieval.
mesh_terms: D000043:Abstracting and Indexing; D003201:Computers; D006213:Hallucinogens; D007256:Information Systems; D009317:National Library of Medicine (U.S.); D009862:Online Systems; D006113:United Kingdom; D014481:United States
chemical_list: D006213:Hallucinogens