Information Journal Paper
APA:
Copy. (2017). Gray literature: An important resource in systematic reviews. Journal of Evidence Based Medicine, 10(3), 233-240. SID. https://sid.ir/paper/739354/en
Vancouver:
Copy. Gray literature: An important resource in systematic reviews. Journal of Evidence Based Medicine[Internet]. 2017;10(3):233-240. Available from: https://sid.ir/paper/739354/en
IEEE:
Copy, “Gray literature: An important resource in systematic reviews,” Journal of Evidence Based Medicine, vol. 10, no. 3, pp. 233–240, 2017, [Online]. Available: https://sid.ir/paper/739354/en