TY  - RPRT
TI  - Radiographic changes associated with cigarette smoking.
AU  - S L Langlois
AU  - R Heath
AU  - A Lian-Lloyd
PY  - 1987
DO  - 10.1111/j.1440-1673.1987.tb01853.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3453048/
ID  - 3453048
ER  -