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• Chlamydia: What you need to know. - Provides information about the disease.
• Chlamydiae.com - The web encyclopedia on Chlamydia and Chlamydiales for evidence-based information, a portal to chlamydial literature plus simple health information and advice on chlamydial genital tract infections.
• WebMD Sexual Conditions Health Center - Find information, causes, symptoms, resources, and treatment for the sexually transmitted disease chlamydia.