No description available.

A Thesis submitted to The University of Arizona College of Medicine - Phoenix in partial fulfillment of the requirements for the Degree of Doctor of Medicine. / Celiac disease (CD) is an autoimmune gastrointestinal disorder that has been well studied amongst non‐Hispanic white populations. Data specifically describing the disease in the U.S. Hispanic population is limited and available studies that do report prevalence and incidence within this population reveal discrepancies. The aim of this study is to estimate the incidence of CD and to define common presenting symptoms in Hispanics in Phoenix, AZ. Data was collected via a retrospective chart review from Maricopa Integrated Health System (MIHS), an organization caring for a patient population that is >50% Hispanic, between 2004‐2013. The study population is both adult and pediatric patients that had received the ICD‐9 code 579.0. The total number of non‐repeat patients seen at MIHS each year between 2004‐2013 was also determined and broken down by race for incidence calculations. During this 10‐year period, 29 total patients were diagnosed with CD at MIHS. The overall yearly incidence increased from 1 in 44,011 patients in 2004 to 1 in 27,948 in 2013. Of the 29 diagnosed, 52% were Caucasian, 34% Hispanic, 7% Asian and 7% African American. The yearly incidence in Hispanic patients also increased from 0 in 2004 to 1 in 58,302 in 2007 to 1 in 25,826 in 2013. Although diagnosis was greater in females of both races, Hispanic patients were diagnosed at a younger age than Caucasians (22 vs. 31 y/o, respectively). The most common diagnostic approach was serological testing combined with duodenal biopsy. The 3 most common gastrointestinal presenting symptoms in Caucasians were diarrhea, abdominal pain and nausea/vomiting, while those in Hispanics were constipation, bloating/abdominal distention and diarrhea. At the time of diagnosis, at least 1/3rd of both Caucasian and Hispanic patients had presented with another autoimmune disorder. Other associated conditions were neurological symptoms and iron‐deficiency anemia. Data from this study suggests that CD in the Hispanic population may be more common in Phoenix than the overall population in the U.S. as described in the literature. It also suggests that Hispanic patients may have different presenting symptoms than do Caucasians. The reason behind the increase in CD incidence in Hispanics is unclear, although increased physician awareness and diagnosis may play a role. Further research and awareness of CD in the Hispanic population may be necessary to optimize diagnosis & treatment of the condition.

This item was digitized as part of the Million Books Project led by Carnegie Mellon University and supported by grants from the National Science Foundation (NSF). Cornell University coordinated the participation of land-grant and agricultural libraries in providing historical agricultural information for the digitization project; the University of Arizona Libraries, the College of Agriculture and Life Sciences, and the Office of Arid Lands Studies collaborated in the selection and provision of material for the digitization project.

No description available.

This item was digitized as part of the Million Books Project led by Carnegie Mellon University and supported by grants from the National Science Foundation (NSF). Cornell University coordinated the participation of land-grant and agricultural libraries in providing historical agricultural information for the digitization project; the University of Arizona Libraries, the College of Agriculture and Life Sciences, and the Office of Arid Lands Studies collaborated in the selection and provision of material for the digitization project.

No description available.

Thesis (Ph. D.)--University of Michigan, 1975. / Includes bibliographical references.

No description available.

This item was digitized as part of the Million Books Project led by Carnegie Mellon University and supported by grants from the National Science Foundation (NSF). Cornell University coordinated the participation of land-grant and agricultural libraries in providing historical agricultural information for the digitization project; the University of Arizona Libraries, the College of Agriculture and Life Sciences, and the Office of Arid Lands Studies collaborated in the selection and provision of material for the digitization project.

Four fields of 117 ha area located at the University of Arizona's Maricopa Agricultural Center were selected for this study. Two soil series, the Casa Grande sandy clay loam and Trix clay loam occur. Surface samples (0-25 cm) were collected on a 98 m interval and 3 rows providing 47 sites per field. Sites were classified either as surveying (32) or testing (15) in each of the four fields. Additional samples at 25-50, 50-75, 75-100, and 100-125 cm were obtained with duplicate surface undisturbed cores at 5 sites per field. Soil parameters include bulk density, saturated hydraulic conductivity, moisture retention, particle size analysis, pH, EC, soluble cations, SAR, and ESP. A quantification of the spatial interdependence of samples was developed based on the variogram of soil parameters. A linear model was best fitted to the clay, EC, Ca²⁺, Mg²⁺, Na⁺, SAR and ESP, and a spherical model to the sand, silt, pH, and K⁺ observed variograms. A comparison of variograms obtained conventionally and with the robust estimation of Cressie and Hawkins (1980) for sand and Ca²⁺ were performed with a fixed couples number per class and with a fixed class size. Additionally, a negative log-likelihood function along with cross-validation criteria were used with the jackknifing method to validate and determine variogram parameters. Three interpolation techniques have been compared for estimating 11 soil properties at the test sites. The techniques include Arithmetic Mean, Inversely Weighted Average, and Kriging with various numbers of neighbor estimates. Using 4 point estimates resulted in nearly identical results, but the 8 point estimates gave more contrast for results among the alternative techniques. Jackknifing was used with 4, 8, 15, 25 neighbors for estimating 188 points of sand and Ca²⁺ with the three techniques. Sand showed a definite advantage of Kriging by lowering the Mean Square Error with increasing neighbor number. The simple interpolator Arithmetic Mean was comparable and sometimes even better than the other techniques. Kriging, the most complex technique, was not the absolute best interpolator over all situations as perhaps expected. The spatial dependence for the 11 soil variables was studied by preparing contour maps by punctual Kriging. Sand and Ca²⁺ were also mapped by block Kriging estimates.