publication venue for Spirometric variability in smokers: transitions in COPD diagnosis in a five-year longitudinal study.. 17:-. 2016 Association of 25-Hydroxyvitamin D status and genetic variation in the vitamin D metabolic pathway with FEV1 in the Framingham Heart Study.. 16:-. 2015 The vitamin E isoforms α-tocopherol and γ-tocopherol have opposite associations with spirometric parameters: the CARDIA study.. 15:-. 2014 Increased methylation of lung cancer-associated genes in sputum DNA of former smokers with chronic mucous hypersecretion.. 15:-. 2014 Serum adiponectin is positively associated with lung function in young adults, independent of obesity: the CARDIA study.. 11:-. 2010