Chelsea Koller added As_far_as_what_kind__.tex  almost 9 years ago

Commit id: 6cc71c6d55b7c27196c8461d1e9c5faf8727f8a9

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As far as what kind of criteria was reported for eligibility of inclusion, over half of abstracts did not list a comparative group of any kind (Figure 4); nor did they include the publication status of the articles that they were using for their data (Figure 5).