A nicotinic acid ester (Trafuril) skin test in rheumatic diseases.
D005663:Furans; D009525:Niacin / Q000031:analogs & derivatives; D009539:Nicotinic Acids; D012216:Rheumatic Diseases / Q000175:diagnosis*; D012882:Skin Tests
D005663:Furans; D009539:Nicotinic Acids; D009525:Niacin; C005813:thurfyl nicotinate
NICOTINIC ACID/derivatives; RHEUMATISM/diagnosis