[On the variability of blood nicotinic acid levels in pellagra during the course of its therapy].
D006801:Humans; D009525:Niacin / Q000097:blood*; D009539:Nicotinic Acids; D010383:Pellagra / Q000097:blood*
D009539:Nicotinic Acids; D009525:Niacin
NICOTINIC ACID/blood; PELLAGRA/blood