title: [Studies on the circumoval precipitin test (COPT) using schistosome eggs dried on slides as antigens].
mesh_terms: D000293:Adolescent; D000328:Adult; D000818:Animals; D000947:Antigens, Helminth / Q000276:immunology*; D002648:Child; D006801:Humans; D010063:Ovum / Q000276:immunology; D011233:Precipitin Tests; D012549:Schistosoma japonicum / Q000276:immunology*
chemical_list: D000947:Antigens, Helminth