Nested case - control study on the risk factors of colorectal cancer 结肠癌和直肠癌危险因素的巢式病例对照研究
2.
Nested case - control study on risk factors of isolated systolic hypertension in rural communities 农村社区单纯收缩性高血压危险因素的巢式病例对照研究
3.
A nested case - control study on relations between risk of stroke and cerebrovascular hemodynamic indexes as well as other risk factors 脑血液动力学指标和卒中危险因素与卒中患病风险的巢式病例对照研究
