Abdelsalam KEA, Ahmed HT. Extra-Analytical Quality Control of Serum Total Calcium (Collection of Blood in Supine State and Correction Using Serum Albumin Levels). IJSBAR [Internet]. 2015 Jun. 25 [cited 2025 Dec. 5];23(1):377-82. Available from: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/4268