Redefining vitamin D insufficiency A Malabanan, IE Veronikis, MF Holick The Lancet Volume 351, Issue 9105, Pages 805-806 (March 1998) DOI: 10.1016/S0140-6736(05)78933-9 Copyright © 1998 Elsevier Ltd Terms and Conditions
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 1998 351, 805-806DOI: (10.1016/S0140-6736(05)78933-9) Copyright © 1998 Elsevier Ltd Terms and Conditions