Epidemiology bulletin. - Brazzaville : World Health Organisation, Region Office for Africa , 1989- - v. : ill. ; 29 cm. - Quarterly - no. 5 ( Jan-March 1989 )

Lasted issue consulted: Vol. 20, no. 1 ( March 1999 )

02561859


Communicable Diseases Control.
Health service.
Diseases out break -- Prevention and control.

W1 / EPE99M