Nucleic Acid Amplification TechniquesSensitivity and SpecificityPolymerase Chain ReactionMolecular Diagnostic TechniquesGene AmplificationSelf-Sustained Sequence ReplicationLigase Chain ReactionChlamydia trachomatisChlamydia InfectionsGonorrheaNeisseria gonorrhoeaeDNA, BacterialKeratin-19DNA PrimersBase SequenceBacteriological TechniquesUrineSpecimen Handling