Bucher, H. C., & Schmidt, J. G. (1993). Does routine ultrasound scanning improve outcome in pregnancy? Meta-analysis of various outcome measures.
استشهاد بنمط شيكاغوBucher, H C., و J G. Schmidt. Does Routine Ultrasound Scanning Improve Outcome in Pregnancy? Meta-analysis of Various Outcome Measures. 1993.
MLA استشهادBucher, H C., و J G. Schmidt. Does Routine Ultrasound Scanning Improve Outcome in Pregnancy? Meta-analysis of Various Outcome Measures. 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.