TY  - RPRT
TI  - The Gingival Bleeding Index.
AU  - H G Carter
AU  - G P Barnes
PY  - 1974
DO  - 10.1902/jop.1974.45.11.801
UR  - https://pubmed.ncbi.nlm.nih.gov/4547795/
ID  - 4547795
ER  -