APA

Holvik K., Madar A. A., Meyer H. E., Lofthus C. M. & Stene L. C. (20071005). A randomised comparison of increase in serum 25-hydroxyvitamin D concentration after 4 weeks of daily oral intake of 10 microg cholecalciferol from multivitamin tablets or fish oil capsules in healthy young adults. : The British journal of nutrition.

Chicago

Holvik Kristin, Madar Ahmed A, Meyer Haakon E, Lofthus Cathrine M and Stene Lars C. 20071005. A randomised comparison of increase in serum 25-hydroxyvitamin D concentration after 4 weeks of daily oral intake of 10 microg cholecalciferol from multivitamin tablets or fish oil capsules in healthy young adults. : The British journal of nutrition.

Harvard

Holvik K., Madar A. A., Meyer H. E., Lofthus C. M. and Stene L. C. (20071005). A randomised comparison of increase in serum 25-hydroxyvitamin D concentration after 4 weeks of daily oral intake of 10 microg cholecalciferol from multivitamin tablets or fish oil capsules in healthy young adults. : The British journal of nutrition.

MLA

Holvik Kristin, Madar Ahmed A, Meyer Haakon E, Lofthus Cathrine M and Stene Lars C. A randomised comparison of increase in serum 25-hydroxyvitamin D concentration after 4 weeks of daily oral intake of 10 microg cholecalciferol from multivitamin tablets or fish oil capsules in healthy young adults. : The British journal of nutrition. 20071005.