[On low blood vitamin A levels in inhabitants of the tropics].
D005767:Gastrointestinal Diseases / Q000150:complications; D006801:Humans; D007214:Indonesia; D008107:Liver Diseases / Q000150:complications; D014329:Tropical Climate; D014801:Vitamin A / Q000097:blood*; D014802:Vitamin A Deficiency / Q000097:blood / Q000209:etiology
D014801:Vitamin A
Uber den Blut-Vitamin-A-Mangel bei Tropenbewohnern.