Immunological unresponsiveness to helminth parasites. I. The pattern of Nippostrongylus brasiliensis infection in young rats.
D000367:Age Factors; D000818:Animals; D005243:Feces / Q000032:analysis; D005260:Female; D009348:Nematoda / Q000276:immunology / Q000302:isolation & purification*; D009349:Nematode Infections / Q000276:immunology*; D010063:Ovum; D051381:Rats