TY  - RPRT
TI  - Simple iris retractor for use in cryoextraction.
AU  - P Kristensen
PY  - 1968
DO  - 10.1016/0002-9394(68)93601-5
UR  - https://pubmed.ncbi.nlm.nih.gov/5636031/
ID  - 5636031
ER  -