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Background
Currently, there is no consensus on the effect of obstructive sleep apnea on male serum testosterone levels. This systematic review and meta‐analysis aimed to determine the association between obstructive sleep apnea and male serum testosterone level.
Methods
The literature related to obstructive sleep apnea and male serum testosterone in the PubMed, Embase, and Cochrane Library databases...
Objective
Whether periodontitis increases the risk of diabetic microangiopathy remains controversial. The present meta‐analysis aims to investigate the relationship between periodontitis and diabetic microangiopathy in patients with type 2 diabetes mellitus.
Methods
PubMed, EMBASE, Web of Science, the Cochrane Library, CNKI, and WanFang data were searched without language restrictions. The methodological...
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