Timothy Nigel H, Freilich David E, Linberg John V
Department of Ophthalmology, West Virginia University, Morgantown, West Virginia 26506, USA.
Ophthalmic Plast Reconstr Surg. 2003 Nov;19(6):417-20; discussion 420. doi: 10.1097/01.IOP.0000096162.94415.98.