The effect of varying the number of Schistosoma mansoni miracidia on the reproduction and survival of Biomphalaria pfeifferi.
D000818:Animals; D001700:Biomphalaria / Q000469:parasitology* / Q000502:physiology; D005260:Female; D006790:Host-Parasite Interactions; D010058:Oviposition; D012550:Schistosoma mansoni / Q000502:physiology*