Presence of abstracts in non-English journals indexed in MEDLINE (1981-1990).
Guardiola
E
E
Unidad de Información y Documentación Médica Química-Farmacéutica BAYER, Barcelona, Spain.
Baños
J E
JE
D000043:Abstracting and Indexing; D016251:CD-ROM; D006801:Humans; D007802:Language; D016239:MEDLINE; D010506:Periodicals as Topic