@misc{indiciae53e525d64529, title = {Iris retractor for use with cryoextractors.}, author = {M M Du Toit}, year = {1967}, doi = {10.1136/bjo.51.7.500}, url = {https://pubmed.ncbi.nlm.nih.gov/6029238/}, note = {Source identifier: 6029238} }