TY - GEN AU - Kellner,U AU - Foerster,M H TI - Cone dystrophies with negative photopic electroretinogram SN - 0007-1161 PY - 1993///0909 KW - Adolescent KW - Adult KW - Dark Adaptation KW - Electrophysiology KW - Electroretinography KW - Female KW - Genetic Linkage KW - Humans KW - Male KW - Middle Aged KW - Night Blindness KW - physiopathology KW - Photoreceptor Cells KW - Retinitis Pigmentosa KW - genetics KW - Retrospective Studies KW - Visual Acuity KW - X Chromosome N1 - Publication Type: Case Reports; Journal Article UR - https://doi.org/10.1136/bjo.77.7.404 ER -