title: CERCARIA AND FIRST INTERMEDIATE HOST OF EURYHELMIS SQUAMULA.
mesh_terms: D000818:Animals; D001001:Anura; D058487:Cercaria; D006224:Cricetinae; D006578:Heterophyidae; D008853:Microscopy; D009922:Oregon; D012106:Research; D012908:Snails; D014200:Trematoda; D014201:Trematode Infections
keywords: EXPERIMENTAL LAB STUDY; FROGS; HAMSTERS; MICROSCOPY; OREGON; SNAILS; TREMATODA; TREMATODE INFECTIONS