[Detection of gingival bleeding with ortho-tolidine impregnated test paper and bleeding index].
D000293:Adolescent; D000328:Adult; D001560:Benzidines; D005884:Gingival Hemorrhage / Q000097:blood / Q000175:diagnosis*; D006801:Humans; D009780:Occult Blood; D006472:Oral Hemorrhage / Q000175:diagnosis*; D010512:Periodontal Index; D012463:Saliva / Q000032:analysis
D001560:Benzidines; C009501:2-tolidine