Cross-Sectional Studies: Strengths, Weaknesses, and Recommendations
Autor: | Wang, Xiaofeng, Cheng, Zhenshun |
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Zdroj: | In Chest July 2020 158(1) Supplement:S65-S71 |
Databáze: | ScienceDirect |
Externí odkaz: |
Autor: | Wang, Xiaofeng, Cheng, Zhenshun |
---|---|
Zdroj: | In Chest July 2020 158(1) Supplement:S65-S71 |
Databáze: | ScienceDirect |
Externí odkaz: |