title: Seasonality and total 25-hydroxyvitamin D levels as sources of potential misclassification of vitamin D deficiency.
authors.affiliation: 1 The University of Melbourne Melbourne, Victoria, Australia.
authors.forename: Jennifer L
authors.initials: JL
authors.lastname: Perret
authors.forename: Caroline J
authors.initials: CJ
authors.lastname: Lodge
mesh_terms: D001249:Asthma / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008168:Lung / Q000196:embryology* / Q000254:growth & development*; D008297:Male; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D011297:Prenatal Exposure Delayed Effects / Q000453:epidemiology*; D014808:Vitamin D Deficiency / Q000453:epidemiology*