PT - JOURNAL ARTICLE AU - Elgouhari, Hesham M. AU - O’Shea, Robert TI - What is the utility of measuring the serum ammonia level in patients with altered mental status? AID - 10.3949/ccjm.76a.08072 DP - 2009 Apr 01 TA - Cleveland Clinic Journal of Medicine PG - 252--254 VI - 76 IP - 4 4099 - http://www.ccjm.org/content/76/4/252.short 4100 - http://www.ccjm.org/content/76/4/252.full SO - Cleve Clin J Med2009 Apr 01; 76