Observational studyBMJ open2015
The Lisbon Cohort of men who have sex with men.
Paula Meireles et al.PubMed ↗Full text ↗Publisher ↗
No numbers read from the abstract.
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Observational studyBMJ open2015
Paula Meireles et al.PubMed ↗Full text ↗Publisher ↗
No numbers read from the abstract.