K. Hartwich

Somatic cell nuclear transfer in the sheep induces placental defects that likely precede fetal demise.

C. Roberts, I. McMillen, S. Walker, 2007, Reproduction.

The production of unusually large offspring following embryo manipulation: Concepts and challenges

S. Walker, K. Hartwich, R. Seamark, 1996 .

No differences in sheep somatic cell nuclear transfer outcomes using serum-starved or actively growing donor granulosa cells.

T. Peura, S. Walker, K. Hartwich, 2003, Reproduction, fertility, and development.

Long-term effects on offspring of exposure of oocytes and embryos to chemical and physical agents.

S. Walker, J. Robinson, K. Hartwich, 2000, Human reproduction update.

Morphological characterization of pre- and peri-implantation in vitro cultured, somatic cell nuclear transfer and in vivo derived ovine embryos.

T. Peura, S. Walker, P. Maddox-Hyttel, 2005, Reproduction.

The effect of peri-conception nutrition on embryo quality in the superovulated ewe.

D. Kleemann, S. Walker, S. Rudiger, 2005, Theriogenology.

Fetoplacental growth in sheep administered progesterone during the first three days of pregnancy.

D. Kleemann, S. Walker, J. Owens, 2001, Placenta.

Long-term effects on offspring of exposure of oocytes and embryos to chemical and physical agents.

J. Robinson, K. Hartwich, S. K. Walker, 2000, Human reproduction update.