@article{KawashimaKidaSchweigertetal.2009,
  author    = {Chiho Kawashima and Katsuya Kida and Florian J. Schweigert and Akio Miyamoto},
  title     = {Relationship between plasma beta-carotene concentrations during the peripartum period and ovulation in the first follicular wave postpartum in dairy cows},
  doi       = {10.1016/j.anireprosci.2008.02.008},
  url       = {http://www.sciencedirect.com/science/journal/03784320},
  year      = {2009},
}