Assertion: henna's ppd | /r/HasProperty | ; same patient
Facets:
Source sentences:
text: Former hairdresser, who had previously had scalp dermatitis after dyeing her hair; the henna mixture was shown to contain 15.7% PPD by weight 110 2001 1 F 12 Commercial henna; PPD negative Hours Source of sensitization unknown; same patient as in Ref.