Olszewska-Czyz, I., Firkova, E. A Case Control Study Evaluating the Relationship between Vitamin K2 Serum Level and Periodontitis,
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A Case Control Study Evaluating the Relationship between Vitamin K2 Serum Level and Periodontitis,
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A Case Control Study Evaluating the Relationship between Vitamin K2 Serum Level and Periodontitis. Healthcare (Switzerland); Healthcare (Switzerland).