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. 2020 Jan 14;2020:6450450. doi: 10.1155/2020/6450450

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Copyright © 2020 Abderrahim Nemmar et al.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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(a) Total nitric oxide (NO) activity in lung homogenate, at the end of a one-month exposure period to either air (control, n = 6) or plain (P-) waterpipe smoke (WPS, n = 5) or apple-flavoured (AF-) WPS (n = 5) or strawberry-flavoured (SF-) WPS (n = 6). (b) Catalase activity in lung homogenate, at the end of a one-month exposure period to either air (control, n = 5) or plain (P-) waterpipe smoke (WPS, n = 6) or apple-flavoured (AF-) WPS (n = 6) or strawberry-flavoured (SF-) WPS (n = 6). (b) Catalase and (c) reduced glutathione (GSH) concentrations in lung homogenate, at the end of a one-month exposure period to either air (control, n = 6) or plain (P-) waterpipe smoke (WPS, n = 6) or apple-flavoured (AF-) WPS (n = 6) or strawberry-flavoured (SF-) WPS (n = 6). Data are expressed as mean ± SEM.