[Retracted] Identification of Serum Metabolomics Characteristics in Patients with Stable Angina Pectoris Using UHPLC-QE-MS

<div>Isotope-labeled internal standards ESI+ and ESI- mode EIC plot of all QC samples (a) and UHPLC-QE-MS detection of ESI+ and ESI- mode TIC plot of QC sample (b).</div>

Computational and Mathematical Methods in Medicine

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Figure 1

Figure 1: [Retracted] Identification of Serum Metabolomics Characteristics in Patients with Stable Angina Pectoris Using UHPLC-QE-MS 