Extraction and Colorimetric Determination of Urea in PlantsKyllingsbæk, Arne · Acta Agriculturae Scandinavica · 1975

Combining Ultrasound-Assisted Extraction and a Microliter Colorimetric Assay for the Streamlined Determination of Urea in Animal FeedstuffOliveira, Hugo M.; Segundo, Marcela A.; Fonseca, António J. M.; Cabrita, Ana R. J. · Journal of Agricultural and Food Chemistry · 2013

Colorimetric Determination of Microgram Quantities of UreaDouglas, L. A.; Bremner, J. M. · Analytical Letters · 1970

Subclinical Hypothyroidism and the Risk of Stroke Events and Fatal Stroke: An Individual Participant Data AnalysisChaker, Layal; Baumgartner, Christine; den Elzen, Wendy P. J.; Ikram, M. Arfan; Blum, Manuel R.; Collet, Tinh-Hai; Bakker, Stephan J. L.; Dehghan, Abbas; Drechsler, Christiane; Luben, Robert N.; Hofman, Albert; Portegies, Marileen L. P.; Medici, Marco; Iervasi, Giorgio; Stott, David J.; Ford, Ian; Bremner, Alexandra; Wanner, Christoph; Ferrucci, Luigi; Newman, Anne B.; Dullaart, Robin P.; Sgarbi, José A.; Ceresini, Graziano; Maciel, Rui M. B.; Westendorp, Rudi G.; Jukema, J. Wouter; Imaizumi, Misa; Franklyn, Jayne A.; Bauer, Douglas C.; Walsh, John P.; Razvi, Salman; Khaw, Kay-Tee; Cappola, Anne R.; Völzke, Henry; Franco, Oscar H.; Gussekloo, Jacobijn; Rodondi, Nicolas; Peeters, Robin P. · The Journal of Clinical Endocrinology & Metabolism · 2015

Thyroid Function within the Reference Range and the Risk of Stroke: An Individual Participant Data AnalysisChaker, Layal; Baumgartner, Christine; den Elzen, Wendy P. J.; Collet, Tinh-Hai; Ikram, M. Arfan; Blum, Manuel R.; Dehghan, Abbas; Drechsler, Christiane; Luben, Robert N.; Portegies, Marileen L. P.; Iervasi, Giorgio; Medici, Marco; Stott, David J.; Dullaart, Robin P.; Ford, Ian; Bremner, Alexandra; Newman, Anne B.; Wanner, Christoph; Sgarbi, José A.; Dörr, Marcus; Longstreth, W.T.; Psaty, Bruce M.; Ferrucci, Luigi; Maciel, Rui M. B.; Westendorp, Rudi G.; Jukema, J. Wouter; Ceresini, Graziano; Imaizumi, Misa; Hofman, Albert; Bakker, Stephan J. L.; Franklyn, Jayne A.; Khaw, Kay-Tee; Bauer, Douglas C.; Walsh, John P.; Razvi, Salman; Gussekloo, Jacobijn; Völzke, Henry; Franco, Oscar H.; Cappola, Anne R.; Rodondi, Nicolas; Peeters, Robin P. · The Journal of Clinical Endocrinology & Metabolism · 2016

Soil Science and GeographyEkblaw, W. Elmer · Soil Science Society of America Journal · 1937

Soil Science and EngineeringTrullinger, R. W. · Soil Science Society of America Journal · 1937

Soil Science and Mineralogy1Marshall, C. E. · Soil Science Society of America Journal · 1937

Availability of Plant NutrientsHibbard, P. L. · Soil Science Society of America Journal · 1937

Fertilized Check PlotsMetzger, J. E. · Soil Science Society of America Journal · 1937

Method of Recording Soil DataNikiforoff, C. C. · Soil Science Society of America Journal · 1937

Nomenclature of Forest Humus LayersHeiberg, S. O. · Soil Science Society of America Journal · 1937

Technology of Erosion ControlNichols, M. L. · Soil Science Society of America Journal · 1937