Search (2 results, page 1 of 1)

Leydesdorff, L.; Rotolo, D.; Rafols, I.: Bibliometric perspectives on medical innovation using the medical subject headings of PubMed (2012) 7.83

7.825686 = weight(object_ss:MEDLINE in 494) [ClassicSimilarity], result of:
  7.825686 = fieldWeight in 494, product of:
    1.0 = tf(freq=1.0), with freq of:
      1.0 = termFreq=1.0
    7.825686 = idf(docFreq=47, maxDocs=44218)
    1.0 = fieldNorm(doc=494)

Object: MEDLINE

Tavakolizadeh-Ravari, M.: Analysis of the long term dynamics in thesaurus developments and its consequences (2017) 7.83

7.825686 = weight(object_ss:MEDLINE in 3081) [ClassicSimilarity], result of:
  7.825686 = fieldWeight in 3081, product of:
    1.0 = tf(freq=1.0), with freq of:
      1.0 = termFreq=1.0
    7.825686 = idf(docFreq=47, maxDocs=44218)
    1.0 = fieldNorm(doc=3081)

Object: MEDLINE