APA

Slack M. A., Ogbogu P. U., Phillips G., Platts-Mills T. A. E. & Erwin E. A. (20150910). Serum vitamin D levels in a cohort of adult and pediatric patients with eosinophilic esophagitis. : Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology.

Chicago

Slack Maria A, Ogbogu Princess U, Phillips Gary, Platts-Mills Thomas A E and Erwin Elizabeth A. 20150910. Serum vitamin D levels in a cohort of adult and pediatric patients with eosinophilic esophagitis. : Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology.

Harvard

Slack M. A., Ogbogu P. U., Phillips G., Platts-Mills T. A. E. and Erwin E. A. (20150910). Serum vitamin D levels in a cohort of adult and pediatric patients with eosinophilic esophagitis. : Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology.

MLA

Slack Maria A, Ogbogu Princess U, Phillips Gary, Platts-Mills Thomas A E and Erwin Elizabeth A. Serum vitamin D levels in a cohort of adult and pediatric patients with eosinophilic esophagitis. : Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology. 20150910.