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What are blue topped blue test bottles

2 replies

User64344 · 28/05/2020 10:12

What do they test?

OP posts:
P0lka · 28/05/2020 10:16

geekymedics.com/blood-bottles-guide/

TweenageAngst · 28/05/2020 10:17

Light Blue- Clotting profile
Dark Blue- micro nutrients/trace elements

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