@misc{Flint_A._P._F._The_1990,
 author={Flint, A. P. F. and Hearn, J. P. and Michael, A. E.},
 volume={221},
 copyright={Rights Reserved - Restricted Access},
 address={London},
 journal={Journal of Zoology, Lond.},
 howpublished={online},
 year={1990},
 publisher={Wiley-Blackwell},
 language={eng},
 title={The maternal recognition of pregnancy in mammals},
 type={Text},
 keywords={Mammal, Mammals, Pregnancy, Recognition},
}