title: Reports from the British Columbia Office of Health Technology Assessment (BCOHTA). Routine ultrasound imaging in pregnancy: how evidence-based are the guidelines?
mesh_terms: D001955:British Columbia; D019317:Evidence-Based Medicine; D005260:Female; D006801:Humans; D017410:Practice Guidelines as Topic; D011247:Pregnancy; D013673:Technology Assessment, Biomedical; D016216:Ultrasonography, Prenatal / Q000191:economics / Q000592:standards*