Fig. 1
From: A review on recent advances on nobiletin in central and peripheral nervous system diseases
The flow of the literature search. A total of 536 articles were retrieved. Among the retrieved articles, 455 articles were excluded for the following reasons: (1) articles belonging to meeting abstracts, reviews, letters, editorials, expert opinions, and case reports; (2) literature written in a language other than English; and (3) content not related to keywords. A total of 81 articles were ultimately included in this review