Studies on the resistance of rats to the nematode Nippostrongylus muris (Yokogawa, 1920). I. Dosage-mortality relationship.
D000818:Animals; D009348:Nematoda; D009349:Nematode Infections; D009559:Nippostrongylus; D051381:Rats / Q000469:parasitology
NEMATODE INFECTIONS/experimental; RATS/parasitology