Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Graham M. Widdowson"'
Autor:
Arlene W. Caggiula, Jeremiah Stamler, George Christakis, Marilyn Farrand, Graham M. Widdowson, Ruth Johnson, Stephen B. Hulley, Norman L. Lasser
Publikováno v:
Preventive Medicine. 10:443-475
The results are presented for the first 4 years of the Multiple Risk Factor Intervention Trial (MRFIT) nutrition intervention program. Study participants were at high risk (upper 10–15%) for Coronary Heart Disease (CHD). The Special Intervention (S
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::763dc6369704d70efe7f877bb8ce6918
https://doi.org/10.1016/0091-7435(81)90060-8
https://doi.org/10.1016/0091-7435(81)90060-8
Publikováno v:
Clinical Chemistry. 20:1344-1348
A chemical test to distinguish smokers and nonsmokers is important in many epidemiologic studies. We have developed an automated method for determining serum thiocyanate by use of the reaction between thiocyanate and ferric ions to form a colored com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d89687b5d1b8870d25d1b66e61253505
https://doi.org/10.1093/clinchem/20.10.1344
https://doi.org/10.1093/clinchem/20.10.1344
Publikováno v:
American Journal of Public Health. 67:545-549
Expired air carbon monoxide (CO) and serum thiocyanate (SCN) were used to asses exposure to cigarettes in 139 middle-aged men. Subjects who reported smoking cigarettes generally had CO levels exceeding 8ppm and SCN levels exceeding 100umol/L; non-smo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf69dd1e8b1c3f3e8c5f2891e88c275d
https://doi.org/10.2105/ajph.67.6.545
https://doi.org/10.2105/ajph.67.6.545
Publikováno v:
Clinical Chemistry. 24:313-320
Assessment of the significance of an observed set of serum chemical values for determining a person's state of health requires comparison with a set of defined reference values. We tested the assumption that a reference group of individuals, categori
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d938eef8c0d5cfcc9c0b7fa7d1cf65a5
https://doi.org/10.1093/clinchem/24.2.313
https://doi.org/10.1093/clinchem/24.2.313
Publikováno v:
Clinical Chemistry. 21:356-361
This report describes an interlaboratory comparison of enzymatic serum glucose methods as currently applied in several instrumental adaptations. Four spectrophotometric, hexokinase-based methods used with the Du Pont "aca," the Abbott "Bichromatic An
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d718ce94b7e73091164e2b62f02c770d
https://doi.org/10.1093/clinchem/21.3.356
https://doi.org/10.1093/clinchem/21.3.356
Autor:
A.C. Haff, Glenn E. Bartsch, Graham M. Widdowson, Stephen B. Hulley, Alain G. DuChene, Gerald R. Cooper
Publikováno v:
Controlled Clinical Trials. 7:158-165
Quality control was emphasized in the screening and clinic laboratory during the early stages of the trial to cover all aspects of screening, and in the later stages to cover local testing used to monitor the participant in the clinic and to guarante
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bfa5d9a4914b59f3bf0dd47d3016ee71
https://doi.org/10.1016/0197-2456(86)90165-0
https://doi.org/10.1016/0197-2456(86)90165-0
Publikováno v:
Controlled Clinical Trials. 7:17-33
The acquisition of quality biochemical data in the MRFIT was enhanced by writing detailed protocols, instituting strict rules for collecting and shipping specimens, setting high goals for analytical performance, using reliable means to transfer data,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::935fc26fd2d01343015ab00c6d9fb2f6
https://doi.org/10.1016/0197-2456(86)90157-1
https://doi.org/10.1016/0197-2456(86)90157-1
Autor:
Robert Schaffer, C C Garber, William T. Ryan, Graham M. Widdowson, G Kessler, N Carey, P H Duncan, W. D. Fellows, Nathan Gochman, Robert B. McComb, R Vanderlinde, W Miller, Robert W. Burnett, Richard J. Carter, David D. Bayse, B Tejeda, P Nast
Publikováno v:
Clinical Chemistry. 28:291-293
We describe the interlaboratory testing of a candidate Reference Method (Part I) for uric acid in serum. The method is based on the ultrasound spectrophotometric quantitation of uric acid before and after incubation with uricase. A comprehensive inve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a1d28ee34573cb67e0ee856d85456cd2
https://doi.org/10.1093/clinchem/28.2.291
https://doi.org/10.1093/clinchem/28.2.291
Publikováno v:
JAMA. 238:2269
Determinants of circulating high density lipoproteins (HDL) were sought in 301 men studied during a year of participation in a coronary prevention program. Mean plasma HDL-cholesterol concentration rose by 2.8 mg/dl (6%) in the group receiving multif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0061fbea77547434ae735d978752533
https://doi.org/10.1001/jama.1977.03280220037017
https://doi.org/10.1001/jama.1977.03280220037017
Publikováno v:
J Res Natl Bur Stand A Phys Chem
There is a growing demand in clinical chemistry for analyses to be performed in a manner allowing comparisons of results among laboratories and, from time to time, in the same laboratory. Reliable comparability requires adequate procedures of standar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2eaa26c86b778bcb6bfc88c516864dd
https://doi.org/10.6028/jres.076a.043
https://doi.org/10.6028/jres.076a.043