Reproductive Health Assessment of Female Elephants in North American Zoos and Association of Husbandry Practices with Reproductive Dysfunction in African Elephants (Loxodonta africana)DOI: info:10.1371/journal.pone.0145673v. 11No. 7Public Library of Science
Brown, Janine L., Paris, Stephen, Prado-Oviedo, Natalia, Meehan, Cheryl L., Hogan, Jennifer N., Morfeld, Kari A., and Carlstead, Kathy. 2016. "Reproductive Health Assessment of Female Elephants in North American Zoos and Association of Husbandry Practices with Reproductive Dysfunction in African Elephants (Loxodonta africana)." PloS One, 11, (7). https://doi.org/10.1371/journal.pone.0145673.