Table 3.

Eligibility criteria of selected articles.

No.	Eligibility Criteria
1	Not in the life Sciences
2	Not in English
3	Not included article types. e.g., proceedings, feature, editorial material.
4	Journal without an impact factor
5	Irrelevant object/topic (The studies focusing on the regulation of gene expression or protein level were not included; the studies discussing the CYP450s that participate in the biosynthesis of bioactive natural products were not included as well. ONLY the studies that demonstrate the inhibition or induction on the activity of the CYP450 enzyme were included.)
6	Without experiments (for research article)
7	Full text not available
8	Other