title: Redefining Human Vitamin D Sufficiency: Back to the Basics.
authors.affiliation: Orthopaedic Hospital Research Center, UCLA-Orthopaedic Hospital Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA ; Department of Molecular, Cell and Developmental Biology, Division of Life Sciences, College of Letters and Science, UCLA.
authors.forename: John S
authors.initials: JS
authors.lastname: Adams
authors.affiliation: Orthopaedic Hospital Research Center, UCLA-Orthopaedic Hospital Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA.
authors.forename: Jonathan
authors.initials: J
authors.lastname: Ramin
authors.affiliation: Orthopaedic Hospital Research Center, UCLA-Orthopaedic Hospital Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA.
authors.forename: Brandon
authors.initials: B
authors.lastname: Rafison
authors.affiliation: Orthopaedic Hospital Research Center, UCLA-Orthopaedic Hospital Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA.
authors.forename: Charles
authors.initials: C
authors.lastname: Windon
authors.affiliation: Orthopaedic Hospital Research Center, UCLA-Orthopaedic Hospital Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA.
authors.forename: Annika
authors.initials: A
authors.lastname: Windon
authors.affiliation: Orthopaedic Hospital Research Center, UCLA-Orthopaedic Hospital Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA.
authors.forename: Philip T
authors.initials: PT
authors.lastname: Liu