title: Why does smoking protect against PONV?
authors.forename: B P
authors.initials: BP
authors.lastname: Sweeney
mesh_terms: D003577:Cytochrome P-450 Enzyme System / Q000378:metabolism*; D004790:Enzyme Induction; D006801:Humans; D008099:Liver / Q000201:enzymology; D020250:Postoperative Nausea and Vomiting / Q000378:metabolism / Q000517:prevention & control*; D012307:Risk Factors; D012907:Smoking / Q000378:metabolism*
chemical_list: D003577:Cytochrome P-450 Enzyme System