@misc{misc, author = {Ashley Green and Johanna Camara and Elena Wood and Nathanael Heckert}, title = {Certification of Standard Reference Material\&$\#$174; 3666: Albumin and Creatinine in Frozen Human Urine - INCLUDES UPDATES AS OF 02-12-2026}, year = {2026}, month = {2026-02-12 05:02:00}, publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.SP.260-238-upd4}, language = {en}, }