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 Sturchio E., Napolitano P., Beni C., Mecozzi M.
by Ambas V.Th., Baltas E.