Smith K L, Wilson M, Hightower A W, Kelley P W, Struewing J P, Juranek D D, McAuley J B
Department of Medicine, Stanford University School of Medicine, Palo Alto, California, USA.
Clin Infect Dis. 1996 Nov;23(5):1182-3. doi: 10.1093/clinids/23.5.1182.