TY - GEN AU - Gajda,Z TI - [Oral speculum] SN - 0011-4553 PY - 1971///0517 KW - Dental Instruments KW - Humans KW - Malocclusion KW - diagnosis KW - Orthodontics, Corrective KW - Tongue KW - physiology N1 - Publication Type: Journal Article ER -