Z. Rasmussen

Effect of time of artificial insemination on embryo sex ratio in dairy cattle.

B. Kemp, J. Roelofs, N. Soede, 2006, Animal reproduction science.

Activation of ribosomal RNA genes in porcine embryos produced in vitro or by somatic cell nuclear transfer

R. Prather, B. Bjerregaard, F. Strejček, 2007, Molecular reproduction and development.