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J Mass Spectrom Adv Clin Lab. 2021 Nov 18:22:81-82. doi: 10.1016/j.jmsacl.2021.11.003. eCollection 2021 Nov.

¹ National Center for Clinical Laboratories, Beijing Engineering Research Center of Laboratory Medicine, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, PR China.
² National Center for Clinical Laboratories, Beijing Engineering Research Center of Laboratory Medicine, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, PR China.

No abstract available

Keywords: C-peptide; Secondary reference materials; Standardization; Traceability.