[STATISTICAL PEAKS IN PERIODONTOLOGY].
D005858:Germany; D005859:Germany, East; D005882:Gingival Diseases; D006801:Humans; D010510:Periodontal Diseases; D010517:Periodontics; D014081:Tooth Extraction
GERMANY, EAST; PERIODONTAL DISEASES; TOOTH EXTRACTION
STATISTISCHE ERHEBUNGEN IN DER PARODONTOLOGIE.