TY - GEN AU - Siivonen,L AU - Virolainen,E TI - Transitional papilloma of the nasal cavity and paranasal sinuses. Clinical course, viral etiology and malignant transformation SN - 0301-1569 PY - 1989///1212 KW - Female KW - Humans KW - Male KW - Nasal Cavity KW - surgery KW - Papilloma KW - Papillomaviridae KW - Paranasal Sinus Neoplasms N1 - Publication Type: Journal Article UR - https://doi.org/10.1159/000276071 ER -