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. Author manuscript; available in PMC: 2022 Sep 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2021 Aug 19;32(9):2425–2435. doi: 10.1021/jasms.1c00135

Table 2.

Details of the 17 ESI− features that we evaluated via MS/MS identification and standard confirmation steps for the 30 pairs of pregnant women and umbilic cord serum samples.

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