title: Malaria cases observed in Gdańsk in 1973-1977.
mesh_terms: D000293:Adolescent; D000328:Adult; D006801:Humans; D008288:Malaria / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D010963:Plasmodium falciparum / Q000302:isolation & purification; D010966:Plasmodium vivax / Q000302:isolation & purification; D011044:Poland; D014195:Travel