title: The answer is fifteen percent: what is the question?
authors.forename: Daniel R
authors.initials: DR
authors.lastname: Ouellette
mesh_terms: D005787:Gene Frequency; D020022:Genetic Predisposition to Disease; D006801:Humans; D011110:Polymorphism, Genetic; D029424:Pulmonary Disease, Chronic Obstructive / Q000209:etiology / Q000235:genetics* / Q000503:physiopathology; D012907:Smoking / Q000009:adverse effects; D014809:Vitamin D-Binding Protein / Q000235:genetics* / Q000502:physiology
chemical_list: D014809:Vitamin D-Binding Protein