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Table 6 Quality assessment of clinical trial study (according to Juni’s study)

From: Environmental and occupational factors and higher risk of couple infertility: a systematic review study

First author (year)

Title and abstract

Introduction

Methods

Results

Discussion

Registration

Protocol

Funding

Total score

Machtinger et al. (2013) [58]

1

2

16

9

3

1

1

1

34