1. Evaluation of the patient with muscle weakness;Saguil;Am Fam Physician,2005
2. Prevalence and incidence of endocrine and metabolic disorders in the United States: a comprehensive review;Golden;J Clin Endocrinol Metab,2009
3. Ambulatory medical care utilization estimates for 2007. National Center for Health Statistics;Schappert;Vital Health Stat,2011
4. Hall MJ, DeFrances CJ, Williams SN et al: National Hospital Discharge Survey: 2007 summary, in Centers for Disease Control and Prevention: National health statistics report, 2010, p 29.