TY - RPRT TI - Cross shift changes in lung function among bar and restaurant workers before and after implementation of a smoking ban. AU - M Skogstad AU - K Kjaerheim AU - G Fladseth AU - M Gjølstad AU - H L Daae AU - R Olsen AU - P Molander AU - D G Ellingsen PY - 2006 DO - 10.1136/oem.2005.024638 UR - https://pubmed.ncbi.nlm.nih.gov/16551754/ ID - 16551754 ER -