参考文献
口腔科学

        [1] Srivastava R,Gupta SK,Mathur VP,et al. Prevalence of dental caries and periodontal diseases,and their association with socio-demographic risk factors among older persons in Delhi,India: a community-based study [J]. Southeast Asian J Trop Med Public He    （共 5229 字）     [阅读本文] >>