DOI resolved by resea

Periodontal Disease in Pregnancy I. Prevalence and Severity

(1963). Periodontal Disease in Pregnancy I. Prevalence and Severity. Acta Odontologica Scandinavica: Vol. 21, No. 6, pp. 533-551.

Harald Löe, John Silness

https://resea.org/10.3109/00016356309011240

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Abstract

(1963). Periodontal Disease in Pregnancy I. Prevalence and Severity. Acta Odontologica Scandinavica: Vol. 21, No. 6, pp. 533-551.