title: SEWAGE TREATMENT AND SCHISTOSOME EGGS.
mesh_terms: D000818:Animals; D010063:Ovum; D011647:Puerto Rico; D012498:Sanitary Engineering; D012547:Schistosoma; D012722:Sewage
chemical_list: D012722:Sewage
keywords: OVUM; PUERTO RICO; SANITARY ENGINEERING; SCHISTOSOMA; SEWAGE