Evaluation of the Relevance of Research Articles Published 50 Years Ago in Key Scientific Journals in the USA, England and Germany: Introduction of 50 Years Impact Index in Addition to Impact Factor

Massarrat, S

Massarrat, S (reprint author), Univ Tehran Med Sci, Digest Dis Res Inst, POB 14117-13135, Tehran, Iran.

ARCHIVES OF IRANIAN MEDICINE, 2019; 22 (10): 606