The effect of vitamin deficiencies on some physiological factors of importance in resistance to infection. I. Niacin-tryptophane deficiency.
D001361:Avitaminosis; D009525:Niacin / Q000172:deficiency*; D014364:Tryptophan / Q000172:deficiency*
D009525:Niacin; D014364:Tryptophan
NICOTINIC ACID/deficiency; TRYPTOPHAN/deficiency