1. Redefining vitamin D insufficiency
A Malabanan, IE Veronikis, MF Holick 
The Lancet 
Volume 351, Issue 9105, Pages (March 1998)
DOI: /S (05)
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2. Figure 1
Relations between 25(OH)D and PTH before and after therapy with 50 000 IU of vitamin D, and calcium supplementation once a week for 8 weeks
A=serum 25(OH)D and PTH; B=serum PTH changes in patients stratified by pretreatment serum 25(OH)D between 27·5–60 nmol/L. *p<0·001. **p<0·02.
The Lancet  , DOI: ( /S (05) )
Copyright © 1998 Elsevier Ltd Terms and Conditions