The midstream muddle.
Bannatyne
R M
RM
D005260:Female; D006801:Humans; D007753:Laboratories / Q000592:standards; D008828:Microbiological Techniques / Q000592:standards*; D015203:Reproducibility of Results; D013048:Specimen Handling / Q000379:methods* / Q000592:standards; D016482:Urinalysis / Q000379:methods* / Q000592:standards; D014552:Urinary Tract Infections / Q000175:diagnosis* / Q000382:microbiology* / Q000652:urine; D016387:Women's Health