[The p-toluenesulfonic acid test].
D001557:Benzenesulfonates; D003095:Collagen Diseases / Q000175:diagnosis*; D013451:Sulfonic Acids; D014050:Toluene / Q000031:analogs & derivatives
D001557:Benzenesulfonates; D013451:Sulfonic Acids; D014050:Toluene; C029501:4-toluenesulfonic acid
COLLAGEN DISEASES/diagnosis; SULFONIC ACIDS; TOLUENE/related compounds