[Unsatisfactory active caries prophylactic measures with fluorides in the province of Nordrhein-Westfalen in the year 1970].
D003731:Dental Caries / Q000517:prevention & control*; D005457:Fluoridation; D005860:Germany, West; D011636:Public Health Dentistry; D012571:School Dentistry
Unbefriedigende aktive kariesprophylaktische Mabbnahmen mit Fluoriden im Lande Nordrhein-Westfalen im Jahre 1970.