Beuerman R W, Pedroza L
Lions Eye Research Laboratories, LSU Eye Center, Louisiana State University Medical Center School of Medicine, New Orleans 70112, USA.
Microsc Res Tech. 1996 Mar 1;33(4):320-35. doi: 10.1002/(SICI)1097-0029(19960301)33:4<320::AID-JEMT3>3.0.CO;2-T.