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. 2021 Nov 5;107(6):558–564. doi: 10.1136/archdischild-2021-322344

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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY. Published by BMJ.

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Bland-Altman plots for heart rate (HR). (A) Open-label round. (B) Closed-label round one. (C) Closed-label round two. (D) Closed-label round three. Colours indicate which participant neonate is associated with the measurement pair.