Cinnamic acid mitigates methotrexate-induced lung fibrosis in rats: comparative study with pirfenidone.

"Declarations Ethics approvalThe investigation was permitted by the ethics committee for animal experimentation of the college of pharmacy, Cairo University, Egypt (PT 1511), (Approval Date: 26/10/2015) and followed the instructions for the care and use of laboratory animals published by the US National Institutes of Health (NIH Publication No. 85–23, revised 1996). Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding Open access funding provided by The Science, Technology & Innovation Funding Authority (STDF) in cooperation with The Egyptian Knowledge Bank (EKB). The authors declare that no funds, grants, or other support were received during the preparation of this manuscript."