Smoak B L, McClain J B, Brundage J F, Broadhurst L, Kelly D J, Dasch G A, Miller R N
Division of Preventive Medicine, Walter Reed Army Institute of Research, Washington, D.C., USA.
Emerg Infect Dis. 1996 Jul-Sep;2(3):217-21. doi: 10.3201/eid0203.960309.