TY - BOOK AU - AU - ED - ED - ED - ED - SN - 2 PY - 1991///46 CY - Quezon City, PHL PB - Dept. of Otorhinolalrngology, College of Medicine, UP KW - KW - 2 KW - 0 KW - 6 KW - 20 N1 - 5 ER -