[Progress and reflection! WHO study as stimulation of thought].
D000293:Adolescent; D000328:Adult; D000353:Africa, Southern; D000367:Age Factors; D004245:DMF Index; D003753:Dental Health Surveys; D005260:Female; D006267:Health Education, Dental; D006801:Humans; D008297:Male; D009910:Oral Hygiene; D010512:Periodontal Index; D014099:Toothbrushing; D014944:World Health Organization
Fortschritt und Besinnung! WHO-Studie als Denkanstoss