Related by context. Frequent words. (Click for all words.) 66 pulmonary TB 58 fecal occult blood 57 sputum samples 57 Chlamydia trachomatis 56 methicillin resistant 56 HBsAg 55 FOBT 55 MRSA strains 55 pneumoniae 55 bacilli 54 Staphylococcus aureus bacteria 54 nucleic acid amplification 54 isoniazid 54 H pylori 54 serologic 54 catheterisation 54 serological 54 Western blot 54 liver biopsies 54 CMV infection 53 chronic HBV infection 53 S. aureus infections 53 enteroviruses 53 Mycobacterium tuberculosis 53 S. pneumoniae 53 surgical biopsy 53 chronic HCV 53 latent tuberculosis 53 sentinel nodes 53 chest x rays 53 invasive cervical cancer 52 C. albicans 52 staphylococci 52 digital rectal examination 52 multidrug resistant 52 Streptococcus pyogenes 52 latent TB 52 Hepatitis B virus 52 chronically infected 52 LC-MS/MS 52 chemoprophylaxis 52 bacteremia 52 immunofluorescence 52 tissue biopsies 52 ThinPrep 51 Acanthamoeba 51 Genital herpes 51 cytology 51 flexible sigmoidoscopy 51 polymerase chain reaction 51 S. aureus 51 falciparum malaria 51 conventional colonoscopy 51 ARV therapy 51 IgM 51 sputum 51 hepatitis C HCV 50 confirmatory tests 50 Dengue virus 50 rheumatoid factor 50 seropositive 50 falciparum 50 antiretroviral therapy ART 50 pulmonary tuberculosis 50 oropharynx 50 D dimer 50 virological 50 PCR amplification 50 colorectal cancer CRC 50 IgG antibodies 50 latent TB infection 50 antibiotic prophylaxis 50 microliters 50 prostate biopsies 50 lung nodules 50 Neisseria meningitidis 50 biopsies 50 CT angiography 49 sulfadoxine pyrimethamine 49 mycobacterial 49 nasal swabs 49 sentinel node 49 coinfected 49 HbA1C 49 resections 49 malaria endemic countries 49 needle biopsies 49 biopsy specimens 49 phenotyping 49 HCV infected 49 oropharyngeal cancer 49 computed tomography CT scans 49 MDR TB 49 ductal 49 infected 49 tandem mass spectrometry 49 RT PCR 49 Klebsiella pneumoniae 49 sensitivity specificity 49 HBV 49 HPV#