Nyvad, B. (2003). The role of oral hygiene. In O. Fejerskov & E. A. M. Kidd (Eds.), Dental Caries. The Disease and its Clinical Management (pp. 171-177). Blackwell Publishing.
Nyvad, B. (2015). The role of oral hygiene. In O. Fejerskov, B. Nyvad & E. Kidd (Eds.), Dental Caries: The Disease and Its Clinical Management (Third Edition ed., pp. 277-285). Wiley-Blackwell.
Nyvad, B. (2003). The role of oral hygiene. In O. Fejerskov & E. A. M. Kidd (Eds.), Dental Caries. The Disease and its Clinical Management (pp. 171-177). Blackwell Publishing.
Nyvad, B. (2015). The role of oral hygiene. In O. Fejerskov, B. Nyvad & E. Kidd (Eds.), Dental Caries: The Disease and Its Clinical Management (Third Edition ed., pp. 277-285). Wiley-Blackwell.