[Trafuril test].
D003095:Collagen Diseases / Q000175:diagnosis*; D005663:Furans; D009525:Niacin / Q000031:analogs & derivatives; D009539:Nicotinic Acids
D005663:Furans; D009539:Nicotinic Acids; D009525:Niacin; C005813:thurfyl nicotinate; C039281:furan
COLLAGEN DISEASES/diagnosis; FURAN DERIVATIVES; NICOTINIC ACID/related compounds
La prueba del trafuril.