Use of positive and negative words in scientific PubMed abstracts between 1974 and 2014: retrospective analysis

Title
Use of positive and negative words in scientific PubMed abstracts between 1974 and 2014: retrospective analysis
Authors
Keywords
-
Journal
BMJ-British Medical Journal
Volume -, Issue -, Pages h6467
Publisher
BMJ
Online
2015-12-15
DOI
10.1136/bmj.h6467

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