TY  - RPRT
TI  - Serial extraction in Class I mixed-dentition cases.
AU  - G Maj
PY  - 1970
DO  - 10.1016/s0002-9416(70)90221-6
UR  - https://pubmed.ncbi.nlm.nih.gov/5265009/
ID  - 5265009
ER  -