Grayson BE, Allen SE, Billes SK, Williams SM, Smith MS, Grove KL (December 2006). "Prenatal development of hypothalamic neuropeptide systems in the nonhuman primate". Neuroscience. 143 (4): 975–86. doi:10.1016/j.neuroscience.2006.08.055. PMID17029798. S2CID22101163.
Grayson BE, Allen SE, Billes SK, Williams SM, Smith MS, Grove KL (December 2006). "Prenatal development of hypothalamic neuropeptide systems in the nonhuman primate". Neuroscience. 143 (4): 975–86. doi:10.1016/j.neuroscience.2006.08.055. PMID17029798. S2CID22101163.
Grayson BE, Allen SE, Billes SK, Williams SM, Smith MS, Grove KL (December 2006). "Prenatal development of hypothalamic neuropeptide systems in the nonhuman primate". Neuroscience. 143 (4): 975–86. doi:10.1016/j.neuroscience.2006.08.055. PMID17029798. S2CID22101163.