[Alveolar pyorrhoea in inhabitants of Leningrad during the time of the blockade according to examination records of donors].
D006801:Humans; D010510:Periodontal Diseases; D010518:Periodontitis
LENINGRAD/alveolar pyorrhea; PYORRHEA/in leningrad
Alveoliarnaia piorreia u zhitelei Leningrada vo vremia blokady po dannym obsledovaniia donorov.