共 18 条
[2]
AHMED K, 1989, GHANA MED J, V23, P190
[4]
ASANTE FA, 2004, COMMUNICABLE DIS B A, V2, P1
[7]
Breman JG, 2004, AM J TROP MED HYG, V71, P1
[8]
Chinnock P, 1997, AFR HLTH, V19, P12