1. Concept paper on SI value assignment of purity - model for the classification of peptide/protein purity determinations;Josephs;J. Chem. Metrol.,2017
2. NIBSC, Parathyroid Hormone 1–84, Human, Recombinant (1st International Standard). 〈https://www.nibsc.org/products/brm_product_catalogue/detail_page.aspx?catid=95/646〉, 2010 (Accessed 4 October 2020).
3. Recommendations for the preparation, characterization and establishment of international and other biological reference standards;WHO Tech. Rep. Ser.,2006
4. C. Burns, M. Ellis, J. Hockley, P. Rigsby, World Health Organization Biologicals Unit, WHO Expert Committee on Biological Standardization, WHO in: Proceedings of the International Collaborative Study of the Proposed First [first] International Standard for Parathyroid Hormone 1–84, Human, Recombinant, Geneva, 2009. 〈http://whqlibdoc.who.int/hq/2009/WHO_BS_09.2115_eng.pdf〉.
5. Biomarkers predicting bone turnover in the setting of CKD;Evenepoel;Curr. Osteoporos. Rep.,2017