TY  - GEN
AU  - Richardson,M E
TI  - The extraction of upper incisors in orthodontic treatment
SN  - 0011-8729
PY  - 1967///0421
KW  - Child
KW  - Humans
KW  - Incisor
KW  - surgery
KW  - Orthodontics, Corrective
N1  - Publication Type: Journal Article
ER  -