A skin test in various rheumatic diseases.
D005663:Furans; D006801:Humans; D009539:Nicotinic Acids; D012216:Rheumatic Diseases / Q000175:diagnosis*; D012214:Rheumatic Heart Disease / Q000175:diagnosis*; D012882:Skin Tests
D005663:Furans; D009539:Nicotinic Acids