A rare case of the combination of a malignant tumor of the frontal sinus with a pyocele
@article{An1988ARC, title={A rare case of the combination of a malignant tumor of the frontal sinus with a pyocele}, author={Chkannikov An and Deriugina Ov and Silaeva Vv}, journal={Vestnik otorinolaringologii}, year={1988}, pages={53-53} }
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