MIRACIDIA-IMMOBILIZING SUBSTANCES IN EXTRACTS PREPARED FROM   SNAILS INFECTED WITH SCHISTOSOMA MANSONI.
D000486:Allergy and Immunology; D000818:Animals; D051379:Mice; D012106:Research; D012547:Schistosoma; D012550:Schistosoma mansoni; D012908:Snails
EXPERIMENTAL LAB STUDY; IMMUNOLOGY; MICE; SCHISTOSOMA; SNAILS