Nguyen-Trong Phuong-Khanh J, Peloquin Joanna M, Lauder Naudia N, Nayor Jennifer A, Gelber Allan C
Department of Medicine, Johns Hopkins University School of Medicine, 5200 Eastern Ave, Mason F Lord Bldg, Center Tower, Ste 4100, Baltimore, MD 21224, USA.
J Gen Intern Med. 2013 Feb;28(2):315-9. doi: 10.1007/s11606-012-2181-7. Epub 2012 Aug 10.