Chaudhry Saima I, Khanijo Sameer, Halvorsen Andrew J, McDonald Furman S, Patel Kavita
Residency Program, Department of Internal Medicine, Hofstra North Shore LIJ School of Medicine, Hempstead, NY, USA.
Am J Med. 2012 May;125(5):517-22. doi: 10.1016/j.amjmed.2012.01.007.