Ojima, Miki, epartment of Preventive Dentistry, Graduate School of Dentistry, Osaka University, Suita, Osaka, Japan

• International Journal of Statistics in Medical Research Vol. 4 No. 4 (2015) - General Articles
  A Natural Experiment for Inferring Causal Association between Smoking and Tooth Loss: A Study of a Workplace Contemporary Cohort
  Abstract  PDF