1.
Chinese Journal of Epidemiology
;
(12): 578-581, 2016.
Artigo
em Chinês
| WPRIM
| ID: wpr-256508
RESUMO
Several new varients related to the case-control designs have been developed in the recent decades,and this article briefly summarized four new designs:two-stage design,case-specular study,exposure-crossover study and case-case-time-control study.This paper involved principles of study design,requisites for application,advantages and disadvantages on all the studies.