[ON ORAL HYGIENE IN AFRICA].
D000349:Africa; D003731:Dental Caries; D005882:Gingival Diseases; D006801:Humans; D009909:Oral Health; D009910:Oral Hygiene; D010510:Periodontal Diseases
AFRICA; DENTAL CARIES; ORAL HEALTH; PERIODONTAL DISEASES
OM MUNDHYGIEJNE I AFRIKA.