[Dental status in workers at a Norwegian factory. IV. Periodontal status].
D004245:DMF Index; D003753:Dental Health Surveys; D005260:Female; D006801:Humans; D008297:Male; D009664:Norway; D009782:Occupational Dentistry; D010512:Periodontal Index
Dentale forhold hos arbeidere ved en norsk bedrift. IV. Periodontale forhold.