[Tropical parasites in Polish Ocean Lines ship crews].
D000818:Animals; D004194:Disease; D006801:Humans; D009792:Oceans and Seas; D010271:Parasites; D010272:Parasitic Diseases / Q000453:epidemiology*; D012767:Ships
PARASITIC DISEASES/epidemiology; SAOLORS/diseases
Pasozyty tropikalne u marynarzy Plo.