Mexico (2) Methods (2) Materials (2) Methods (2) Materials (2) mutation (1) genetic diversity (1) epidemiology (1) Beijing (1) Epidemiology (1) Mexican states (1) English (1) Molecular epidemiology (1) Multidrug resistance (1) States (1) Treponema pallidum (1) Mycoplasma (1) Rates (1) Tuberculosis (1) Trichomonas vaginalis (1) Serology (1) Pregnancy (1) Patients (1) Obstetrics (1) Neisseria gonorrhoeae (1) Mycobacterium tuberculosis (1) Pathogenic microorganisms (1) MEDLINE (1) Gynecology (1) Globus pallidus (1)