Class information for:
Level 1: DEQAS//25 HYDROXYVITAMIN D 3//3 EPI 25 HYDROXYVITAMIN D 3

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
16455 652 27.7 64%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
14 4 ORTHOPEDICS//DENTISTRY, ORAL SURGERY & MEDICINE//SPORT SCIENCES 808941
32 3       OSTEOPOROSIS//VITAMIN D//OSTEOPOROSIS INTERNATIONAL 107093
179 2             VITAMIN D//25 HYDROXYVITAMIN D//VITAMIN D DEFICIENCY 21990
16455 1                   DEQAS//25 HYDROXYVITAMIN D 3//3 EPI 25 HYDROXYVITAMIN D 3 652

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 DEQAS authKW 527638 2% 87% 13
2 25 HYDROXYVITAMIN D 3 authKW 364236 5% 24% 33
3 3 EPI 25 HYDROXYVITAMIN D 3 authKW 327825 1% 100% 7
4 C3 EPIMER authKW 327825 1% 100% 7
5 25 HYDROXYVITAMIN D 2 authKW 316572 2% 52% 13
6 25 HYDROXYVITAMIN D authKW 286833 13% 7% 85
7 COOKSON TYPE REAGENT authKW 280993 1% 100% 6
8 3 EPI 25 HYDROXYVITAMIN D authKW 234160 1% 100% 5
9 3 EPI 25OHD 3 authKW 195132 1% 83% 5
10 CONTINUOUS CLEANUP PRECONCENTRATION authKW 187328 1% 100% 4

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Medical Laboratory Technology 17842 27% 0% 179
2 Chemistry, Analytical 2315 26% 0% 171
3 Biochemical Research Methods 1321 16% 0% 102
4 Endocrinology & Metabolism 995 16% 0% 104
5 Nutrition & Dietetics 273 6% 0% 39
6 Biochemistry & Molecular Biology 129 16% 0% 104
7 Medicine, Research & Experimental 83 5% 0% 35
8 Spectroscopy 38 3% 0% 18
9 Pharmacology & Pharmacy 19 6% 0% 39
10 Biophysics 6 2% 0% 15

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 CENT NEPEAN CLIN 93664 0% 100% 2
2 VITAMINS WORKING PARTY 93664 0% 100% 2
3 SYDNEY SW PATHOL SERV 52682 0% 38% 3
4 AREA REHAB AGED CARE RHEUMATOL 46832 0% 100% 1
5 BANS ROYAL LONDON MED DENT 46832 0% 100% 1
6 BELTSVILLE AGR ENERGY PROT NUTR 46832 0% 100% 1
7 BIOMED MASS SPE OMETRY CANC 46832 0% 100% 1
8 CLIN KNOWLEDGE TRANSFER UNIT 46832 0% 100% 1
9 COMPAN BIOMARKER 46832 0% 100% 1
10 DEQAS ADVISORY PANEL 46832 0% 100% 1

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 CLINICA CHIMICA ACTA 11031 8% 0% 51
2 CLINICAL CHEMISTRY 6650 6% 0% 41
3 CLINICAL BIOCHEMISTRY 5685 4% 0% 25
4 JOURNAL OF STEROID BIOCHEMISTRY AND MOLECULAR BIOLOGY 5628 5% 0% 33
5 SCANDINAVIAN JOURNAL OF CLINICAL & LABORATORY INVESTIGATION 4567 3% 0% 21
6 JOURNAL OF MEDICAL BIOCHEMISTRY 3384 1% 1% 5
7 CLINICAL CHEMISTRY AND LABORATORY MEDICINE 3210 3% 0% 17
8 JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES 3027 4% 0% 28
9 STEROIDS 2095 2% 0% 14
10 ANNALS OF CLINICAL BIOCHEMISTRY 1980 2% 0% 12

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 DEQAS 527638 2% 87% 13 Search DEQAS Search DEQAS
2 25 HYDROXYVITAMIN D 3 364236 5% 24% 33 Search 25+HYDROXYVITAMIN+D+3 Search 25+HYDROXYVITAMIN+D+3
3 3 EPI 25 HYDROXYVITAMIN D 3 327825 1% 100% 7 Search 3+EPI+25+HYDROXYVITAMIN+D+3 Search 3+EPI+25+HYDROXYVITAMIN+D+3
4 C3 EPIMER 327825 1% 100% 7 Search C3+EPIMER Search C3+EPIMER
5 25 HYDROXYVITAMIN D 2 316572 2% 52% 13 Search 25+HYDROXYVITAMIN+D+2 Search 25+HYDROXYVITAMIN+D+2
6 25 HYDROXYVITAMIN D 286833 13% 7% 85 Search 25+HYDROXYVITAMIN+D Search 25+HYDROXYVITAMIN+D
7 COOKSON TYPE REAGENT 280993 1% 100% 6 Search COOKSON+TYPE+REAGENT Search COOKSON+TYPE+REAGENT
8 3 EPI 25 HYDROXYVITAMIN D 234160 1% 100% 5 Search 3+EPI+25+HYDROXYVITAMIN+D Search 3+EPI+25+HYDROXYVITAMIN+D
9 3 EPI 25OHD 3 195132 1% 83% 5 Search 3+EPI+25OHD+3 Search 3+EPI+25OHD+3
10 CONTINUOUS CLEANUP PRECONCENTRATION 187328 1% 100% 4 Search CONTINUOUS+CLEANUP+PRECONCENTRATION Search CONTINUOUS+CLEANUP+PRECONCENTRATION

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 VAN DEN OUWELAND, JMW , (2016) ANALYSIS OF VITAMIN D METABOLITES BY LIQUID CHROMATOGRAPHY-TANDEM MASS SPECTROMETRY.TRAC-TRENDS IN ANALYTICAL CHEMISTRY. VOL. 84. ISSUE . P. 117 -130 109 64% 1
2 VAN DEN OUWELAND, JMW , VOGESER, M , BACHER, S , (2013) VITAMIN D AND METABOLITES MEASUREMENT BY TANDEM MASS SPECTROMETRY.REVIEWS IN ENDOCRINE & METABOLIC DISORDERS. VOL. 14. ISSUE 2. P. 159 -184 60 66% 38
3 FRASER, WD , MILAN, AM , (2013) VITAMIN D ASSAYS: PAST AND PRESENT DEBATES, DIFFICULTIES, AND DEVELOPMENTS.CALCIFIED TISSUE INTERNATIONAL. VOL. 92. ISSUE 2. P. 118-127 42 72% 50
4 VOLMER, DA , MENDES, LRBC , STOKES, CS , (2015) ANALYSIS OF VITAMIN D METABOLIC MARKERS BY MASS SPECTROMETRY: CURRENT TECHNIQUES, LIMITATIONS OF THE "GOLD STANDARD" METHOD, AND ANTICIPATED FUTURE DIRECTIONS.MASS SPECTROMETRY REVIEWS. VOL. 34. ISSUE 1. P. 2 -23 59 49% 14
5 WANG, SM , WANG, S , YANG, RY , ZHOU, WY , LI, HX , DONG, J , CHEN, WX , (2015) A SIMPLE AND PRECISE LC-MS/MS METHOD FOR THE SIMULTANEOUS DETERMINATION OF SERUM 25-HYDROXYVITAMIN D-3 AND D-2 WITHOUT INTERFERENCE FROM THE C-3 EPIMER.ANALYTICAL METHODS. VOL. 7. ISSUE 12. P. 5254 -5261 33 89% 4
6 MULLER, MJ , VOLMER, DA , (2015) MASS SPECTROMETRIC PROFILING OF VITAMIN D METABOLITES BEYOND 25-HYDROXYVITAMIN D.CLINICAL CHEMISTRY. VOL. 61. ISSUE 8. P. 1033 -1048 43 65% 6
7 GOMES, FP , SHAW, PN , WHITFIELD, K , KOORTS, P , HEWAVITHARANA, AK , (2013) RECENT TRENDS IN THE DETERMINATION OF VITAMIN D.BIOANALYSIS. VOL. 5. ISSUE 24. P. 3063 -3078 48 62% 2
8 DING, SJ , SCHOENMAKERS, I , JONES, K , KOULMAN, A , PRENTICE, A , VOLMER, DA , (2010) QUANTITATIVE DETERMINATION OF VITAMIN D METABOLITES IN PLASMA USING UHPLC-MS/MS.ANALYTICAL AND BIOANALYTICAL CHEMISTRY. VOL. 398. ISSUE 2. P. 779-789 33 80% 61
9 DE CASTRO, MDL , FERNANDEZ-ROMERO, JM , ORTIZ-BOYER, F , QUESADA, JM , (1999) DETERMINATION OF VITAMIN D-3 METABOLITES: STATE-OF-THE-ART AND TRENDS.JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS. VOL. 20. ISSUE 1-2. P. 1 -17 55 72% 11
10 LORENCIO, FG , BLANCO-NAVARRO, I , PEREZ-SACRSITAN, B , (2013) CRITICAL EVALUATION OF ASSAYS FOR VITAMIN D STATUS.CURRENT OPINION IN CLINICAL NUTRITION AND METABOLIC CARE. VOL. 16. ISSUE 6. P. 734 -740 29 91% 6

Classes with closest relation at Level 1


Rank Class id link
1 197 VITAMIN D//VITAMIN D DEFICIENCY//25 HYDROXYVITAMIN D
2 11057 VITAMIN D//25 HYDROXYVITAMIN D//VITAMIN D DEFICIENCY
3 4395 VITAMIN D ANALOGS//19 NORVITAMIN D//1 ALPHA 25 DIHYDROXYVITAMIN D 3
4 11680 TOCOPHEROL//FAT SOLUBLE VITAMINS//JOURNAL OF MICRONUTRIENT ANALYSIS
5 15377 CYP27B1//VITAMIN D HYDROXYLASES//ENDOCRINE BONE
6 17026 FD LC MS MS METHOD//FLUOROGENIC DERIVATIZATION//DAABD CL
7 4108 24 25OH2D 3//HEREDITARY VITAMIN D RESISTANT RICKETS//1 ALPHA 25OH2D 3
8 27732 SOLANUM GLAUCOPHYLLUM//SOLANUM MALACOXYLON//ENZOOTIC CALCINOSIS
9 17222 VITAMIN D BINDING PROTEIN//GC GLOBULIN//GCMAF
10 1472 VITAMIN D//VITAMIN D DEFICIENCY//25 HYDROXYVITAMIN D

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