This figure describes the sources used to identify potentially relevant articles for this review. It also describes the review process by showing how many articles were identified as potentially eligible, and reasons for ineligibility.

Figure 2Summary of literature search (number of articles)

* Total may exceed number in corresponding box, as articles excluded by two reviewers at this level.

From: 3, Results

Cover of Inhaled Nitric Oxide in Preterm Infants
Inhaled Nitric Oxide in Preterm Infants.
Evidence Reports/Technology Assessments, No. 195.
Allen MC, Donohue P, Gilmore M, et al.

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