Scuderi AJ, Harnsberger HR, Boyer RS (May 1993). "Pneumatization of the paranasal sinuses: normal features of importance to the accurate interpretation of CT scans and MR images". AJR. American Journal of Roentgenology. 160 (5): 1101–4. doi:10.2214/ajr.160.5.8470585. PMID8470585. S2CID7915256.
Scuderi AJ, Harnsberger HR, Boyer RS (May 1993). "Pneumatization of the paranasal sinuses: normal features of importance to the accurate interpretation of CT scans and MR images". AJR. American Journal of Roentgenology. 160 (5): 1101–4. doi:10.2214/ajr.160.5.8470585. PMID8470585. S2CID7915256.
Scuderi AJ, Harnsberger HR, Boyer RS (May 1993). "Pneumatization of the paranasal sinuses: normal features of importance to the accurate interpretation of CT scans and MR images". AJR. American Journal of Roentgenology. 160 (5): 1101–4. doi:10.2214/ajr.160.5.8470585. PMID8470585. S2CID7915256.