PERIODONTAL DISEASE IN PREGNANCY. I. PREVALENCE AND SEVERITY.
D035843:Biomedical Research; D005260:Female; D005891:Gingivitis; D006801:Humans; D009664:Norway; D010510:Periodontal Diseases; D049590:Postpartum Period; D011247:Pregnancy; D011248:Pregnancy Complications; D015995:Prevalence; D013223:Statistics as Topic
CLINICAL RESEARCH; GINGIVITIS; NORWAY; PERIODONTAL DISEASES; PREGNANCY; PREGNANCY COMPLICATIONS; PUERPERIUM; STATISTICS