[Pellagra in North Korea; clinical study of two cases of secondary pellagra].
D035843:Biomedical Research; D056911:Democratic People's Republic of Korea; D006801:Humans; D010383:Pellagra / Q000453:epidemiology*
PELLAGRA/epidemiology
Pelagra v severni Koreji; klinická studie dvou pr7ipadů sekundárni pelagry.