1. The spherical implant;Coston;Trans Am Acad Ophthalmol Otolaryngol,1970
2. Integrated orbital implants;Perry;Adv Ophthalmic Plast Reconstr Surg,1990
3. Coralline hydroxyapatite as an ocular implant;Dutton;Ophthalmology,1991
4. Hydroxyapatite orbital implant after enucleation;Shields;Arch Ophthalmol,1992
5. Dermis-fat orbital implantation: 118 cases;Smith;Ophthalmic Surg,1983