[Theory of stationary biomasses subject to the action of parasites. Ecology of the nosological complex of Manson's bilharziasis].
D000818:Animals; D018533:Biomass; D008974:Mollusca / Q000469:parasitology*; D010271:Parasites; D012552:Schistosomiasis
MOLLUSCA/parasitology; SCHISTOSOMIASIS