title: Defining deficiency of vitamin D based on 25(OH)D concentration: is it real?
authors.forename: Rajeev A
authors.initials: RA
authors.lastname: Annigeri
authors.forename: Marisiddappa
authors.initials: M
authors.lastname: Limesh
mesh_terms: D006801:Humans; D008297:Male; D010281:Parathyroid Hormone / Q000097:blood; D014807:Vitamin D / Q000031:analogs & derivatives* / Q000097:blood; D014808:Vitamin D Deficiency / Q000175:diagnosis*
chemical_list: D010281:Parathyroid Hormone; D014807:Vitamin D; C104450:25-hydroxyvitamin D