Opening the book…
This page titled 7: Health was last modified on Tue, 29 Mar 2022 20:32:41 GMT and is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by Carl Polley (裴凯).
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From LibreTexts, under CC BY-NC-SA 4.0, as the source states it; its equations are written in TeX, which the PDF shows typeset. This page at LibreTexts.
Opening the book…
This page titled 7: Health was last modified on Tue, 29 Mar 2022 20:32:41 GMT and is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by Carl Polley (裴凯).
The book could not be loaded just now.