論文（英文）
Introduction to self-controlled study design
Iwagami M, Takeuchi Y. Introduction to self-controlled study design. Ann Clin Epidemiol. 2021; 3(3): 67-73.
Iwagami M, Takeuchi Y. Introduction to self-controlled study design. Ann Clin Epidemiol. 2021; 3(3): 67-73.