Published
Malaria situation in Bulgaria and surveillance measures (1991-2000)
by Kurdova R.I., Vutchev D.I., Petrov P.P.
by Kurdova R.I., Vutchev D.I., Petrov P.P.
by Guo Liyan, Lewis J.O., McLaughlin J.P.
by Politis Marios, Pilinis Christos, Lekkas Theodoros