title: Serum Vitamin D Levels in Children with Recurrent Respiratory Infections and Chronic Cough: Correspondence.
authors.affiliation: Department of Pediatrics, Sitaram Bhartia Institute of Science and Research, New Delhi, India. anirban.nrs@gmail.com.
authors.forename: Anirban
authors.initials: A
authors.lastname: Mandal
authors.affiliation: Department of Pediatrics, Kalawati Saran Children's Hospital, New Delhi, India.
authors.forename: Puneet Kaur
authors.initials: PK
authors.lastname: Sahi
mesh_terms: D002648:Child; D002908:Chronic Disease; D003371:Cough; D006801:Humans; D007239:Infections; D012141:Respiratory Tract Infections / Q000097:blood; D014807:Vitamin D / Q000097:blood
chemical_list: D014807:Vitamin D