Benefits of ultrasound scan performed between 11 to 14 weeks' gestation results from São Paulo University Brasil
M. L Brizot C. H Chiba; N. S. V Reis; S Miyadahira; Marcelo Zugaib; International Congress the Fetus as a Patient (14. 1998 Amsterdam)
Fetal Diagnosis and Therapy v. 13, suppl 1, p. 59, 1998Amsterdam 1998
Available at FM - Fac. Medicina (BCSEP 1998 046 ) and other locations(GetIt)