title: Application of formalin-fixed Schistosoma japonicum eggs to the circumoval precipitin test.
mesh_terms: D000818:Animals; D005260:Female; D005404:Fixatives; D005557:Formaldehyde / Q000494:pharmacology; D006801:Humans; D010063:Ovum / Q000187:drug effects / Q000276:immunology*; D011233:Precipitin Tests / Q000379:methods*; D012549:Schistosoma japonicum / Q000276:immunology*; D012552:Schistosomiasis / Q000175:diagnosis / Q000276:immunology*; D013010:Sonication
chemical_list: D005404:Fixatives; D005557:Formaldehyde