TY - GEN AU - Shevchenko,A M AU - Gladkiĭ,N I TI - [Primary cancer of the frontal sinuses] SN - 0042-4668 PY - 1978///0929 KW - Aged KW - Frontal Sinus KW - pathology KW - Humans KW - Male KW - Middle Aged KW - Paranasal Sinus Neoplasms N1 - Publication Type: Case Reports; Journal Article ER -