[Studies on echinococcosis in the Burgas region according to data of the Burgas regional hospital].
D004443:Echinococcosis / Q000453:epidemiology*; D006761:Hospitals; D006801:Humans
ECHINOCOCCOSIS/epidemiology
Prouchvane na ekhinokokazata v burgaski okrug po materialite na okruzhnata bolnitsa; Burgas.