TY  - RPRT
TI  - A modified technique for evaluating apical base relationships.
AU  - E J Beatty
PY  - 1975
DO  - 10.1016/0002-9416(75)90238-9
UR  - https://pubmed.ncbi.nlm.nih.gov/1057851/
ID  - 1057851
ER  -