T. Shepard

Laterality defects in conjoined twins: implications for normal asymmetry in human embryogenesis.

K. Benirschke, K. Jones, C. Cunniff, 1988, American journal of medical genetics.

Chromosomal abnormalities in fetuses with omphalocele. Significance of omphalocele contents.

D. Nyberg, D. Pretorius, D. Hickok, 1989, Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine.

Fetal rhombencephalon: normal US findings.

D. Nyberg, W. Shuman, T. Shepard, 1988, Radiology.