Limited obstetric ultrasound examinations: competency and cost.
Taylor
Melissa
M
D002983:Clinical Competence / Q000592:standards; D004509:Education, Nursing, Continuing / Q000191:economics* / Q000592:standards*; D006801:Humans; D016216:Ultrasonography, Prenatal / Q000191:economics* / Q000451:nursing*; D014481:United States