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Table 4 Quality assessment of included studies

From: Cholelithiasis increased prostate cancer risk: evidence from a case–control study and a meta-analysis

References

Selection

Comparability

Exposure

Total

A.Tavani

2011

***

**

***

8

F.Bravi

2005

**

**

**

6

Qiang Li

2010

***

**

***

8

Shabanzadeh

2017

***

**

***

8

Chien-Hua Chen

2016

**

*

***

7

Kim

2004

**

**

**

6

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BMC Urology

ISSN: 1471-2490

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