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hlthe2b

(110,696 posts)
1. or if you have those (......) long long fake nails
Sat Dec 17, 2022, 07:36 PM
Dec 2022

(I'm not a fan, but I'll leave the ..... ) to the imagination.

Still, it can be a valuable tool. Remember though if you live at high altitudes, a NORMAL value for PO2 will be lower than at sea level.

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