Effect of marginal protein malnutrition on repeated nematode infection of small intestine.
D000818:Animals; D000921:Antibody-Producing Cells; D007411:Intestinal Diseases, Parasitic / Q000150:complications*; D008297:Male; D009349:Nematode Infections / Q000150:complications*; D009559:Nippostrongylus; D011488:Protein Deficiency / Q000150:complications* / Q000276:immunology; D051381:Rats