@misc{indiciae45e9ebbb4c88, title = {Polyvinyl in tympanic membrane perforations.}, author = {F Johnson}, year = {1967}, doi = {10.1001/archotol.1967.00760050154005}, url = {https://pubmed.ncbi.nlm.nih.gov/6029339/}, note = {Source identifier: 6029339} }