title: The effect of vitamin A and protein deficiency on complement levels in rats.
mesh_terms: D000818:Animals; D003165:Complement System Proteins / Q000032:analysis; D004044:Dietary Proteins / Q000008:administration & dosage; D006462:Hemolytic Plaque Technique; D008297:Male; D011488:Protein Deficiency / Q000276:immunology*; D051381:Rats; D013997:Time Factors; D014212:Tretinoin / Q000008:administration & dosage; D014802:Vitamin A Deficiency / Q000276:immunology*
chemical_list: D004044:Dietary Proteins; D014212:Tretinoin; D003165:Complement System Proteins