@misc{indiciae95d734705ac4, title = {Bacterial flora in chronic, purulent maxillary sinusitis.}, author = {J Kinnman and C W Lee and S H Park}, year = {1967}, doi = {10.3109/00016486709139090}, url = {https://pubmed.ncbi.nlm.nih.gov/4383473/}, note = {Source identifier: 4383473} }