Ribeiro, Sofia Prevalence of gonorrhea and chlamydia in a community clinic for men who have sex with men in Lisbon, Portugal. [electronic resource] - International journal of STD & AIDS 09 2019 - 951-959 p. digital Publication Type: Journal Article ISSN: 1758-1052 Standard No.: 10.1177/0956462419855484 doi Subjects--Topical Terms: AdolescentAdultChlamydia Infections--diagnosisChlamydia trachomatis--isolation & purificationGonorrhea--diagnosisHomosexuality, Male--statistics & numerical dataHumansMaleMiddle AgedNeisseria gonorrhoeae--isolation & purificationPharynx--microbiologyPortugal--epidemiologyPrevalenceRectum--microbiologyUrethra--microbiologyUrethritis--epidemiology