Evaluation of 25-hydroxyvitamin D, in combination with standard treatment in breast and prostate cancer
Changes in risk of death from breast cancer with season and latitude: sun exposure and breast cancer survival in Norway.
Breast Cancer Res Treat 2007 May;102(3):323-8. Epub 2006 sep 21
Prostate cancer survival is dependent on season of diagnosis.
Prostate 2007 Sep;67(12):1362-70.
Colon cancer: prognosis for different latitudes, age groups and seasons in Norway.
J Photochem Photobiol B 2007 Dec;89(2-3):148-55. Epub 2007 sep 19
The dependency of vitamin D status on body mass index, sex, age and season
Seasonal variation of 1,25(OH)2D