1. Duke-Elder SS, Cook C. System of Ophthalmology. Normal and Abnormal Development. Part 1: Embryology. St. Louis: Mosby; 1963.
2. Jakobiec F, Iwamoto T. The ocular adnexa: introduction to lids, conjunctiva, and orbit. In: Jakobiec F, ed. Ocular Anatomy, Embryology, and Teratology. Philadelphia: Harper & Row; 1982:677–731.
3. Ozanics V, Jakobiec F. Prenatal development of the eye and its adnexa. In: Jakobiec F, ed. Ocular Anatomy, Embryology, and Teratology. Philadelphia: Harper & Row; 1982:11–96.
4. Wahl C, Noden DM. Defining the environment around the eye. In: Tasman W, Jaeger E, eds. Duane’s Clinical Ophthalmology. Philadelphia: Lippincott-Raven; 2000.
5. de la Cuadra-Blanco C, Peces-Pena MD, Merida-Velasco JR. Morphogenesis of the human lacrimal gland. J Anat 2003;203:531–536.