Shen, J.; Yao, L.; Li, Y.; Clarke, M.; Wang, L.; Li, D.: Visualizing the history of evidence-based medicine : a bibliometric analysis (2013)
0.02
0.017030146 = product of:
0.034060292 = sum of:
0.034060292 = product of:
0.068120584 = sum of:
0.068120584 = weight(_text_:y in 1090) [ClassicSimilarity], result of:
0.068120584 = score(doc=1090,freq=2.0), product of:
0.25623685 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.053245123 = queryNorm
0.26585007 = fieldWeight in 1090, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0390625 = fieldNorm(doc=1090)
0.5 = coord(1/2)
0.5 = coord(1/2)
