Platts-Mills TF, Biese K, LaMantia M, Zamora Z, Patel LN, McCall B, Egbulefu F, Busby-Whitehead J, Cairns CB, Kizer JS. Nursing home revenue source and information availability during the emergency department evaluation of nursing home residents. J Am Med Dir Assoc. 2012 May; 13(4):332-6.