@misc{1288886, author = {Ashley Green and Johanna Camara and Nathanael Heckert}, title = {Certification of Standard Reference Material® 3666: Albumin and Creatinine in Frozen Human Urine - INCLUDES UPDATES AS OF 07-02-2025}, year = {2025}, month = {2025-09-02 15:09:31}, publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD}, language = {en}, }