海量图书期刊资源，随时随地畅享阅读乐趣
Accuracy of Ultrasound Dating Formulae in the Late Second-Trimester in Pregnancies Conceived with <i>in-vitro</i> FertilizationMongelli, M.; Yuxin, N. G.; Biswas, A.; Chew, S. · Acta Radiologica · 2003
Third-trimester ultrasound dating algorithms derived from pregnancies conceived with artificial reproductive techniquesM. Mongelli; S. Chew; N. G. Yuxin; A. Biswas · 2005