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. Author manuscript; available in PMC: 2021 Sep 25.
Published in final edited form as: J Appl Lab Med. 2021 Sep 1;6(5):1202–1212. doi: 10.1093/jalm/jfab036

Fig. 2.

Fig. 2.

Stability of FEP in triplicate at low (approximately 3 μg/mL), medium (approximately 15 μg/mL), and high (approximately 45 μg/mL) concentrations at ambient (A: 20–25 °C), refrigerated (B: 2–8 °C), and rozen (C: at or below −20 °C; and D: at or below −70 °C) conditions up to 35 days. Note: ambient conditions were only done up to 14 days.