TY  - GEN
AU  - Simons,A J
TI  - Premature loss of second primary molars
SN  - 0008-3372
PY  - 1972///0726
KW  - Child
KW  - Child, Preschool
KW  - Humans
KW  - Molar
KW  - Orthodontics, Preventive
KW  - Space Maintenance, Orthodontic
KW  - Tooth Extraction
KW  - Tooth, Deciduous
N1  - Publication Type: Journal Article
ER  -