чем больше, тем меньше греешься.

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Skin tone, specifically the amount of melanin, affects the skin’s ability to absorb green light and further increases the variation in reporting accuracy.

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Но вообще да, очень малая погрешность, тем более, что я и не слишком-то загорела, не сравнить с неграми

However, Severinghaus and Kelleher3 reviewed data from several investigators who had reported anecdotal errors (+3 to +5%) in black patients

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