TY  - RPRT
TI  - Editorial. Orthodontic treatment problems under prepayment programs.
AU  - J A Salzmann
PY  - 1969
DO  - 10.1016/0002-9416(69)90214-0
UR  - https://pubmed.ncbi.nlm.nih.gov/5261166/
ID  - 5261166
ER  -