TY - GEN AU - Langlade,M AU - Picaud,M TI - [General principles of Ricketts' technic] SN - 0009-4838 PY - 1970///0717 KW - Humans KW - Methods KW - Orthodontic Appliances KW - Orthodontics, Corrective KW - Technology, Dental N1 - Publication Type: Journal Article ER -