[Superinfection by Balantidium coli of a pulmonary hydatidic cyst].
Lalueza
Antonio
A
Salto
Efrén
E
Lizasoain
Manuel
M
Carlos Meneses
José
J
D001447:Balantidiasis / Q000150:complications*; D004445:Echinococcosis, Pulmonary / Q000150:complications* / Q000469:parasitology; D006801:Humans; D008297:Male; D008875:Middle Aged