1. Lacrimal system;Ellis,2003
2. Lacrimal drainage system;Kanski,2011
3. Development, anatomy, and physiology of the lacrimal secretory and drainage systems and abnormalities of the lacrimal secretory and drainage systems;Holds,2012
4. Ocular development;Chalam,2012
5. Disorders of the lacrimal apparatus in infancy and childhood;Calhoun,1991