TY  - RPRT
TI  - Rapid maxillary expansion and external root resorption in man: a scanning electron microscope study.
AU  - A F Barber
AU  - M R Sims
PY  - 1981
DO  - 10.1016/0002-9416(81)90356-0
UR  - https://pubmed.ncbi.nlm.nih.gov/7015868/
ID  - 7015868
ER  -