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Impact Factor
HR, HRU, MHR IF trend
12 10 8 6 4 2 0
2008 2009
Human Reproduction Update 11.852
2012 2013
Human Reproduction 4.99
2017
MHR 3.449
2010 2011
2014 2015 2016
7
The Impact Factor
Problems
• Slow
• Limited span
• Favours review articles over primary literature
• Ranking can be influenced by small number of highly cited articles
• Difficult to compare between disciplines
• False implication of accuracy
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PRECONGRESS COURSE 14 I VIENNA, AUSTRIA – 23 JUNE 2019 107
