TY - GEN AU - Masztalerz,A TI - [The functional maxillary orthodontic appliance of Fränkel] SN - 0011-4553 PY - 1969///0205 KW - Humans KW - Maxilla KW - Orthodontic Appliances KW - Orthodontics, Corrective N1 - Publication Type: Journal Article ER -