title: Nippostrongylus brasiliensis: lung mast cell populations in repeatedly inoculated rats.
mesh_terms: D000818:Animals; D002452:Cell Count; D007421:Intestine, Small / Q000469:parasitology; D008168:Lung / Q000473:pathology; D008297:Male; D008407:Mast Cells / Q000473:pathology*; D009349:Nematode Infections / Q000469:parasitology / Q000473:pathology*; D009559:Nippostrongylus / Q000254:growth & development; D051381:Rats; D013997:Time Factors