@misc{indiciae81af54a7061f, title = {Immunologic defects in patients with refractory sinusitis.}, author = {G G Shapiro and F S Virant and C T Furukawa and W E Pierson and C W Bierman}, year = {1991}, url = {https://pubmed.ncbi.nlm.nih.gov/2000270/}, note = {Source identifier: 2000270} }