scholarly journals Therapeutic effects of black seed oil supplementation on chronic obstructive pulmonary disease patients: A randomized controlled double blind clinical trial

Heliyon ◽  
2020 ◽  
Vol 6 (8) ◽  
pp. e04711
Author(s):  
Mahmood A. Al-Azzawi ◽  
Mohamed M.N. AboZaid ◽  
Reda Abdel Latif Ibrahem ◽  
Moustafa A. Sakr
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