TY  - RPRT
TI  - Gingival ulceration due to improper toothbrushing.
AU  - B Blasberg
AU  - A Jordan-Knox
AU  - R J Conklin
PY  - 1981
UR  - https://pubmed.ncbi.nlm.nih.gov/7023631/
ID  - 7023631
ER  -