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 Schreiner C., Branzila M., Trandabat A., Ciobanu R.C.
by Dimitriou A., Tsoukali H.