Admission ionized calcium levels predict the need for multiple transfusions: a prospective study of 591 critically ill trauma patients.
Magnotti LJ, Bradburn EH, Webb DL, Berry SD, Fischer PE, Zarzaur BL, Schroeppel TJ, Fabian TC, Croce MA. Admission ionized calcium levels predict the need for multiple transfusions: a prospective study of 591 critically ill trauma patients. J Trauma. 2011 Feb; 70(2):391-5; discussion 395-7.