TY  - RPRT
TI  - Does cigarette smoking increase sleep problems.
AU  - F J Lexcen
AU  - R A Hicks
PY  - 1993
DO  - 10.2466/pms.1993.77.1.16
UR  - https://pubmed.ncbi.nlm.nih.gov/8367233/
ID  - 8367233
ER  -