Fukushima, Hiroyuki. Index guide to drug information retrieval / by Hiroyuki Fukushima, Toshiro Okazaki and Michiko Noguchi. - Amsterdam : Elsevier North-Holland Biomedical, 1979. - 279 p. ; 25 cm. ISBN: 0444801391 Subjects--Topical Terms: Drugs--Indexes.Information retrieval systems--Indexes.