Exact(7)
Selection of articles is based on the title and the abstract reading.
Because the number of found papers was still very high (3056), the process continued with abstract reading after which only 269 papers remained in the process.
We identified 7302 titles from 2007 to July 2013, of which 660 were selected for abstract reading.
Two hundred and two papers were excluded after abstract reading because they were nor relevant to the study objective.
Careful screening of titles identified 189 articles for abstract reading, from which 61 were shortlisted for full text review.
All queries were recorded along with the use of the different search options, the articles that were selected for abstract reading and the articles that were selected for full-text reading.
Similar(53)
The abstract reads:This paper examines the effect of early childhood investments on college enrollment and degree completion.
The abstract reads in part:We first show that trade liberalization under CAFTA has a positive effect on growth, employment and poverty [in Honduras] but the effect is small.
The study's abstract reads: The diversity of life is one of the most striking aspects of our planet; hence knowing how many species inhabit Earth is among the most fundamental questions in science.
(I) A correct version of Abstract reads as follows.
The paper's abstract reads: "Despite a rich African Plio-Pleistocene hominin fossil record, the ancestry of Homo and its relation to earlier australopithecines remain unresolved.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com