Craven R B, Quan T J, Bailey R E, Dattwyler R, Ryan R W, Sigal L H, Steere A C, Sullivan B, Johnson B J, Dennis D T, Gubler D J
Centers for Disease Control and Prevention, Fort Collins, Colorado, USA.
Emerg Infect Dis. 1996 Apr-Jun;2(2):136-40. doi: 10.3201/eid0202.960211.