Gingival bleeding in 848 Army recruits. An assessment.
D000293:Adolescent; D000328:Adult; D002170:Canada; D005891:Gingivitis / Q000453:epidemiology; D006801:Humans; D008297:Male; D008885:Military Dentistry; D008889:Military Personnel; D006472:Oral Hemorrhage / Q000453:epidemiology*