Robinson, K. J., Hazon, N., Twiss, S. D., & Pomeroy, P. P. (2019). High oxytocin infants gain more mass with no additional maternal energetic costs in wild grey seals (Halichoerus grypus). Psychoneuroendocrinology, 110, Article 104423. https://doi.org/10.1016/j.psyneuen.2019.104423