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Authors: Simerjot K Jassal; Michel Chonchol; Denise von Mühlen; Gerard Smits; Elizabeth Barrett-Connor
Journal: Am J Med Date: 2010-10-01 Impact factor: 4.965

5. SOLAR ultraviolet radiation and vitamin D: a historical perspective.

Authors: Kumaravel Rajakumar; Susan L Greenspan; Stephen B Thomas; Michael F Holick
Journal: Am J Public Health Date: 2007-08-29 Impact factor: 9.308

6. Racial and seasonal differences in 25-hydroxyvitamin D detected in maternal sera frozen for over 40 years.

Authors: Lisa M Bodnar; Janet M Catov; Katherine L Wisner; Mark A Klebanoff
Journal: Br J Nutr Date: 2008-04-23 Impact factor: 3.718

7. Vitamin D intake and status in Irish elderly women and adolescent girls.

Authors: D McCarthy; A Collins; M O'Brien; C Lamberg-Allardt; J Jakobsen; J Charzewska; M Kiely; A Flynn; K D Cashman
Journal: Ir J Med Sci Date: 2006 Apr-Jun Impact factor: 1.568

Review 8. Vitamin D and bone health: Epidemiologic studies.

Authors: Peter R Ebeling
Journal: Bonekey Rep Date: 2014-03-05

9. Diet, sunlight, and 25-hydroxy vitamin D in healthy children and adults.

Authors: E M Poskitt; T J Cole; D E Lawson
Journal: Br Med J Date: 1979-01-27

10. Vitamin D deficiency and secondary hyperparathyroidism are common complications in patients with peripheral arterial disease.

Authors: Astrid Fahrleitner; Harald Dobnig; Andrea Obernosterer; Ernst Pilger; Georg Leb; Kurt Weber; Stefan Kudlacek; Barbara M Obermayer-Pietsch
Journal: J Gen Intern Med Date: 2002-09 Impact factor: 5.128