TY  - RPRT
TI  - Experience with keratoprostheses.
AU  - T I Bertelsen
AU  - K Syversen
PY  - 1973
DO  - 10.1111/j.1755-3768.1973.tb02551.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4359349/
ID  - 4359349
ER  -