Significance of serum 24,25-dihydroxyvitamin D in the assessment of vitamin D status: a double-edged sword? von Cashman, Kevin D, Hayes, Aoife, Galvin, Karen, Merkel, Joyce, Jones, Glenville, Kaufmann, Martin, Hoofnagle, Andrew N, Carter, Graham D, Durazo-Arvizu, Ramon A, Sempos, Christopher T

Volltext

How accurate are assays for 25-hydroxyvitamin D? Data from the international vitamin D external quality assessment scheme von CARTER, Graham D, CARTER, Richard, JONES, Julia, BERRY, Jacqueline

Volltext

25-hydroxyvitamin D: a difficult analyte von Carter, Graham D

Volltext

Establishing an Accuracy Basis for the Vitamin D External Quality Assessment Scheme (DEQAS) von Burdette, Carolyn Q, Camara, Johanna E, Nalin, Federica, Pritchett, Jeanita, Sander, Lane C, Carter, Graham D, Jones, Julia, Betz, Joseph M, Sempos, Christopher T, Wise, Stephen A

Volltext

General Steps to Standardize the Laboratory Measurement of Serum Total 25-Hydroxyvitamin D von Sempos, Christopher T, Betz, Joseph M, Camara, Johanna E, Carter, Graham D, Cavalier, Etienne, Clarke, Michael W, Dowling, Kirsten G, Durazo-Arvizu, Ramon A, Hoofnagle, Andrew N, Liu, Andy, Phinney, Karen W, Sarafin, Kurtis, Wise, Stephen A, Coates, Paul M

Volltext

25-Hydroxyvitamin D assays: the quest for accuracy von Carter, Graham D

Volltext

Baseline Assessment of 25-Hydroxyvitamin D Assay Performance: A Vitamin D Standardization Program (VDSP) Interlaboratory Comparison Study von Wise, Stephen A, Phinney, Karen W, Tai, Susan S-C, Camara, Johanna E, Myers, Gary L, Durazo-Arvizu, Ramon, Tian, Lu, Hoofnagle, Andrew N, Bachmann, Lorin M, Young, Ian S, Pettit, Juanita, Caldwell, Grahame, Liu, Andrew, Brooks, Stephen P J, Sarafin, Kurtis, Thamm, Michael, Mensink, Gert B M, Busch, Markus, Rabenberg, Martina, Cashman, Kevin D, Kiely, Mairead, Kinsella, Michael, Galvin, Karen, Zhang, Joy Y, Oh, Kyungwon, Lee, Sun-Wha, Jung, Chae L, Cox, Lorna, Goldberg, Gail, Guberg, Kate, Prentice, Ann, Carter, Graham D, Jones, Julia, Brannon, Patsy M, Lucas, Robyn M, Crump, Peter M, Cavalier, Etienne, Merkel, Joyce, Betz, Joseph M, Sempos, Christopher T

Volltext

Assessing vitamin D status: time for a rethink? von Carter, Graham D, Phinney, Karen W

Volltext

Assessment of serum total 25-hydroxyvitamin D assay commutability of Standard Reference Materials and College of American Pathologists Accuracy-Based Vitamin D (ABVD) Scheme and Vi... von Camara, Johanna E., Wise, Stephen A., Hoofnagle, Andrew N., Williams, Emma L., Carter, Graham D., Jones, Julia, Burdette, Carolyn Q., Hahm, Grace, Nalin, Federica, Kuszak, Adam J., Merkel, Joyce, Durazo-Arvizu, Ramón A., Lukas, Pierre, Cavalier, Étienne, Popp, Christian, Beckert, Christian, Schultess, Jan, Van Slooten, Glen, Tourneur, Carole, Pease, Camille, Kaul, Ravi, Villarreal, Alfredo, Ivison, Fiona, Fischer, Ralf, van den Ouweland, Jody M. W., Ho, Chung S., Law, Emmett W.K., Simard, Jean-Nicolas, Gonthier, Renaud, Holmquist, Brett, Batista, Marcelo Cidade, Pham, Heather, Bennett, Alex, Meadows, Sarah, Cox, Lorna, Jansen, Eugene, Khan, Dilshad Ahmed, Robyak, Kimberly, Creer, Michael H., Kilbane, Mark, Twomey, Patrick J., Freeman, James, Parker, Neil, Yuan, Jinyun, Fitzgerald, Robert, Mushtaq, Sohail, Clarke, Michael W., Breen, Norma, Simpson, Christine, Sempos, Christopher T.

Volltext

Assessment of serum total 25-hydroxyvitamin D assays for Vitamin D External Quality Assessment Scheme (DEQAS) materials distributed at ambient and frozen conditions von Sempos, Christopher T., Williams, Emma L., Carter, Graham D., Jones, Julia, Camara, Johanna E., Burdette, Carolyn Q., Hahm, Grace, Nalin, Federica, Duewer, David L., Kuszak, Adam J., Merkel, Joyce, Hoofnagle, Andrew N., Lukas, Pierre, Cavalier, Étienne, Durazo-Arvizu, Ramón A., Crump, Peter M., Popp, Christian, Beckert, Christian, Schultess, Jan, Van Slooten, Glen, Tourneur, Carole, Pease, Camille, Kaul, Ravi, Villarreal, Alfredo, Ivison, Fiona, Fischer, Ralf, van den Ouweland, Jody M. W., Ho, Chung S., Law, Emmett W. K., Simard, Jean-Nicolas, Gonthier, Renaud, Holmquist, Brett, Batista, Marcelo Cidade, Meadows, Sarah, Cox, Lorna, Jansen, Eugene, Khan, Dilshad Ahmed, Robyak, Kimberly, Creer, Michael H., Kilbane, Mark, Twomey, Patrick J., Freeman, James, Parker, Neil, Yuan, Jinyun, Fitzgerald, Robert, Mushtaq, Sohail, Clarke, Michael W., Breen, Norma, Simpson, Christine, Wise, Stephen A.

Volltext

Baseline Assessment of 25-Hydroxyvitamin D Reference Material and Proficiency Testing/External Quality Assurance Material Commutability: A Vitamin D Standardization Program Study von Phinney, Karen W, Sempos, Christopher T, Tai, Susan S-C, Camara, Johanna E, Wise, Stephen A, Eckfeldt, John H, Hoofnagle, Andrew N, Carter, Graham D, Jones, Julia, Myers, Gary L, Durazo-Arvizu, Ramon, Miller, W Greg, Bachmann, Lorin M, Young, Ian S, Pettit, Juanita, Caldwell, Grahame, Liu, Andrew, Brooks, Stephen P J, Sarafin, Kurtis, Thamm, Michael, Mensink, Gert B M, Busch, Markus, Rabenberg, Martina, Cashman, Kevin D, Kiely, Mairead, Galvin, Karen, Zhang, Joy Y, Kinsella, Michael, Oh, Kyungwon, Lee, Sun-Wha, Jung, Chae L, Cox, Lorna, Goldberg, Gail, Guberg, Kate, Meadows, Sarah, Prentice, Ann, Tian, Lu, Brannon, Patsy M, Lucas, Robyn M, Crump, Peter M, Cavalier, Etienne, Merkel, Joyce, Betz, Joseph M

Volltext

Interlaboratory Comparison for the Determination of 24,25-Dihydroxyvitamin D₃ in Human Serum Using Liquid Chromatography with Tandem Mass Spectrometry von Wise, Stephen A, Tai, Susan S-C, Nelson, Michael A, Burdette, Carolyn Q, Camara, Johanna E, Hoofnagle, Andrew N, Laha, Thomas J, Carter, Graham D, Jones, Julia, Williams, Emma L, Barclay, Zoe J, Jones, Glenville, Kaufmann, Martin, Binkley, Neil, Kapoor, Amita, Ziegler, Toni, Cashman, Kevin D, Dowling, Kirsten G, Sempos, Christopher T

Volltext

Studies on the analysis of 25-hydroxyvitamin D(3) by isotope-dilution liquid chromatography-tandem mass spectrometry using enzyme-assisted derivatisation von Abdel-Khalik, Jonas, Crick, Peter J, Carter, Graham D, Makin, Hugh L, Wang, Yuqin, Griffiths, William J

Volltext

Assessment of serum total 25-hydroxyvitamin D assay commutability of Standard Reference Materials and College of American Pathologists Accuracy-Based Vitamin D Commutability Study... von Camara, Johanna E, Wise, Stephen A, Hoofnagle, Andrew N, Williams, Emma L, Carter, Graham D, Jones, Julia, Burdette, Carolyn Q

Volltext

25-Hydroxyvitamin D Assays: The Quest For Accuracy von Carter, Graham D

Volltext

Studies on the analysis of 25-hydroxyvitamin D3 by isotope-dilution liquid chromatography–tandem mass spectrometry using enzyme-assisted derivatisation von Abdel-Khalik, Jonas, Crick, Peter J., Carter, Graham D., Makin, Hugh L., Wang, Yuqin, Griffiths, William J.

Volltext

Interlaboratory Comparison for the Determination of 24,25-Dihydroxyvitamin [D.sub.3] in Human Serum Using Liquid Chromatography with Tandem Mass Spectrometry von Wise, Stephen A, Tai, Susan S.-C, Nelson, Michael A, Burdette, Carolyn Q, Camara, Johanna E, Hoofnagle, Andrew N, Laha, Thomas J, Carter, Graham D, Jones, Julia, Williams, Emma L, Barclay, Zoe J, Jones, Glenville, Kaufmann, Ma, Binkley, Neil, Kapoor, Amita, Ziegler, Toni, Cashman, Kevin D, Dowling, Kirsten G, Sempos, Christopher T

Volltext

The Effect of Clomiphene Citrate on Follicular Phase Increase in Endometrial Thickness and Uterine Volume von EDEN, JOHN A, PLACE, JAN, CARTER, GRAHAM D, JONES, JULIA, ALAGHBAND-ZADEH, JAMSHID, PAWSON, MICHAEL E

Volltext

Hypovitaminosis D in Medical Inpatients von Looker, A C, Gunter, E W

Volltext

The diagnosis of polycystic ovaries in subfertile women von EDEN, JOHN A., PLACE, JAN, CARTER, GRAHAM D., JONES, JULIA, ALAGHBAND‐ZADEH, JAMSHID, PAWSON, MICHAEL E.

Volltext